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Category Archives: Transhuman News

Genome – Simple English Wikipedia, the free encyclopedia

Posted: December 23, 2015 at 2:42 pm

The genome of an organism is the whole of its hereditary information encoded in its DNA (or, for some viruses, RNA). This includes both the genes and the non-coding sequences of the DNA. The term was coined in 1920.[1]

Winkler's definition, in translation, runs:

However, no single haploid chromosome set defines even the DNA of a species, because of the huge variety of alleles carried by a population. Even a diploid individual carries genetic variety. For that reason Dobzhansky preferred "set of chromosomes",[3] and the definition now must be broader than Winklers' definition. The genome of a haploid chromosome set is merely a sample of the total genetic variety of a species.

The term 'genome' can be applied specifically to mean the complete set of nuclear DNA (the 'nuclear genome') but can also be used of organelles that contain their own DNA, as with the mitochondrial genome or the chloroplast genome.

Note: The DNA from a single human cell has a length of ~1.8 m (but at a width of ~2.4 nanometers).

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National Council of Teachers of English Anti-Censorship Center

Posted: December 22, 2015 at 2:44 am

NCTE Principles for Intellectual Freedom in Education

All students have the right to materials and educational experiences that promote open inquiry, critical thinking, diversity in thought and expression, and respect for others. Denial or restriction of this right is an infringement of intellectual freedom. Toward this end, NCTE encourages school communities to generate, implement, and follow policies and procedures for defending intellectual freedom at the classroom, institution, and system/campus levels to limit and/or address attacks on free expression. Read more . . .

NCTE offers advice, helpful documents, and other support to teachers faced with challenges to texts (e.g. literary works, films and videos, drama productions) or teaching methods used in their classrooms and schools.

There are several ways to report an incident:

Millie Davis, Director, Intellectual Freedom Center

The materials below have been identified by teachers as most useful in preventing and combating censorship.

Students' Right to ReadGives model procedures for responding to challenges, including "Citizen's Request for Reconsideration of a Work."

Guidelines for Selection of Materials in English Language Arts Programs Presents criteria and procedures that ensure thoughtful teacher selection of novels and other materials.

Rationales for Teaching Challenged BooksRich resource section included table of contents of NCTE's Rationales for Commonly Challenged Books CD-ROM, an alphabetical list of other rationales on file, the SLATE Starter Sheet on "How to Write a Rationale," and sample rationales for Bridge to Terabithia and The Color Purple.

Guidelines for Dealing with Censorship of Nonprint MaterialsOffers principles and practices regarding nonprint materials.

Defining and Defending Instructional Methods Gives rationales for various English language arts teaching methods and other defenses against common challenges to them.

Isabel Allendewrites a letter to defend her book The House of the Spirits

Judy Blume has some "Good Words" to share.

Chris Crutchertells us "How They Do It"

NCTE actively began fighting censorship in the 1950's. McCarthyism spurred NCTE to take a more active stance against censorship and, in 1953, NCTE's Committee on Censorship of Teaching Materials published Censorship and Controversy, condemning McCarthy's tactics and championing freedom of thought. In 1962 NCTE published its seminal intellectual freedom guideline The Students' Right to Read, that led to today's active Anti-Censorship program which works with 60-100 educators and school districts a year on challenges to texts used in classrooms. Over these years the Council has voiced its opposition to censorship and promoted intellectual freedom as portrayed in this video clip from the NCTE Centennial Film.

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Colonizing the Moon? | Solar System Exploration Research …

Posted: December 18, 2015 at 12:43 pm

Darby Dyar, professor of astronomy and geology at Mount Holyoke College, says the moon is to people today what the New World was to Europeans 600 years ago. They had been there a few times, said Dyar, but it took time to work up the courage to send people there to stay.

Its no fantasy. Scientists like Dyar have been working on the prospect of colonizing the moon for decades. In my lifetime, she said, we will establish some kind of permanent station on the moon. Mind you, I plan to live another 50 years!

Now Dyar is serving on the Solar System Exploration Research Virtual Institute. The virtual part refers to the fact that the monthly meetings and collaboration between team members takes place mostly through video-conferencing.

The project involves nine teams around the country, of which Dyar serves on three. She will be studying minerals on the moon and other airless bodies such as asteroids.

Among her tasks: Figure out how future residents on the moon can get at that chemical compound that is essential to human existence water. No water, no life.

The moon is a very dry place, said Dyar. Thats why its difficult to imagine living on it.

The challenge is to find out where the water is and how to tap it, said Dyar. We have to understand how water got to the moon, how much is still there, and how hard it would be to extract water for human consumption for a settlement, she said.

Some water was formed at the same time as the moon was formed, she said, and is locked in its minerals in tiny amounts. Its a concept thats hard to understand for people who are used to water flowing freely.

Water would also come from comets that have crashed on the moon. Comets are made of ice, said Dyar, and the heat of the impact melts the ice. Some of the water is preserved in permanently shadowed craters where the sun cannot reach it.

By far the most common way water gets to the moon is by solar wind, said Dyar. Solar wind is composed of highly charged particles, some of which are hydrogen ions that bond with microscopic particles. They are spraying the moon all the time, and sometimes they stick. Hydrogen is one of the components of water the H in H20.

Getting water from moon rocks would involve heating them in a still a daunting process.

One reason for serious space exploration is global politics. Americans may think the moon is theirs because they were the first to plant a flag on it. No such thing, says Dyar. Who owns the moon is still up for grabs, she said.

The Outer Space Treaty of 1967, signed first by the major powers and subsequently by about 100 other countries, governs exploration and use of celestial bodies. Among the rules: No nuclear weapons up there.

Another reason for serious space exploration: If an asteroid were to hit the earth, people could survive temporarily on the moon, said Dyar.

She is referring to the kind of asteroid that killed the dinosaurs. If you read the literature, its very pragmatic, she said. We all know the U.S. and other countries monitor the skies. What would we do?

One of the three teams to which Dyar is assigned is based at Stony Brook University in New York. It studies how to extract as much information as possible from very small rock samples from outer space.

Many of the techniques that have been used for such analysis require a pretty big sample, said Dyar, who serves as co-leader of this team, and a big sample is not always available. Mount Holyoke lab instructor and asteroid expert Tom Burbine is also on that team.

Another team, based at Brown University in Providence, R.I., works on how to identify minerals long-distance from an orbiting spacecraft. Dyar also has a lead role in this one. She and her Mount Holyoke students will train Brown faculty and graduate students on how to use complicated data processing equipment to conduct the research.

Dyar is a spectroscopist, which means that she analyzes of the distinct patterns that light makes when it bounces off surfaces.

The third team project, based at Johns Hopkins University in Baltimore, Md., studies how much hydrogen is trapped in minerals on the moon.

Though she holds the august academic title of Kennedy-Schelkunoff Professor of Astronomy at Mount Holyoke, Dyar is as lively and excited as a kid when she talks about her work.

Its a fun project, she said. You gotta rememberI started working on lunar samples in 1979. Ive had a lifetime to get used to how amazing this is!

Read the full story at Mass Live.

Posted by: Soderman/SSERVI Staff Source: PAT CAHILL/ http://www.masslive.com/living/index.ssf/2014/01/mount_holyoke_professor_part_of_massive_study_of_outer_space.html

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Colonization: Venus better than Mars? / Boing Boing

Posted: December 16, 2015 at 1:43 pm

The new episode of PBS Space Time asks, "Should we colonize Venus instead of Mars?" Fine with me, so long as we stay away from Europa, and don't attempt any landings there.

Youd be forgiven for thinking the videocassette format long-dead, but it turns out that Betamax is still around. Sony is finally going to withdraw tapes from sale, bringing a 40-year story to an end. The last recorders were sold in 2002. MV [Sony; via The Verge]

A leaked Comcast memo discloses that the companys consumer data caps have nothing to do with network congestion, contrary to its public claims. The internet service provider has often complained (such as when lobbying against net neutrality) that it must impose limits on service to prevent network congestion. The argument suggests that these measures are []

LA Makerspace co-founder Tara Tiger Brown shares a project that her kid-friendly maker workshop is trying to make a reality.

Cables fray, and chargers disappear into thin air. Even if you dont need a replacement, snag a backup to store in your bag while youre on-the-go. This MagSafe 2 Power Adapter for MacBook Air is so smart that its magnetic DC connector disconnects without harm should you snag it or trip over it, and its []

Efficiency, productivity, and agility are increasingly valued career skills. Cultivate your own with this e-learning bundle from the expert instructors at eduCBA.

This tiny drone is a mighty flyer.

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Luna Society International – Official Website Of The Moon …

Posted: at 1:42 pm

The future of the Moon, including settlement, tourism and resource development is in your hands. Become a member-citizen of the Luna Society today and receive an acre of land on the Moon (or more!) as your gift, connecting you directly with our nearest planetary neighbor!

PERSONAL MEMBERSHIP CORPORATE MEMBERSHIP GIFT MEMBERSHIP

THE FUTURE OF LUNAR DEVELOPMENT

Keep up to date on the latest news from space exploration, the aerospace industry and privatized development of the Moon by liking us on Facebook or following us on Twitter!

In honor of Mandela Day, a "Peace Crater" in the Lunar Lake of Dreams has been dedicated to humanitarian and statesman Nelson Mandela. [Click here]

CONFIRMED WATER FOUND ON THE MOON: Critical to the hope of sustaining life on the Moon, researchers have now confirmed that water does exist on the Lunar surface. [Click here]

The renowned newsman Walter Cronkite has been honored with the naming of a crater in his honor adjacent to the 1969 landing site of Apollo 11, near craters previously named for astronauts Armstrong, Aldrin and Collins. [Click here]

Yasser Rehman, Tom Cruise's next-door neighbor (on the Moon, that is), is profiled in India's leading magazine as a budding Lunar entrepreneur. [Click here]

Luna Society votes unanimously to designate a Lunar crater for Michael Jackson (formerly Posidonius J) in honor of the legendary entertainer and prominent Moon property owner. [Click here]

The Lunar Embassy's Canadian franchisee, a fugitive wanted on fraud charges, is arrested outside a Las Vegas casino; had gambled with "moon owner" Dennis Hope in Las Vegas prior to disappearance.[Click here]

The organizers of the Kennedy II Lunar Exploration Project have announced that they will accept financial support from the Lunar Republic Society and its partners as part of a $3.5-billion effort toward a commercial mission to build settlements on the Moon. [Click here]

Nearly 40 years after the Apollo astronauts walked on the Moon's surface, the European Smart-1 space probe was launched to investigate the Lunar far side in a mission that could finally answer questions about the origin of Earth's closest neighbor. [Click here]

The head of the European Space Agency's Smart-1 Lunar mission says that human settlement of the Moon will be technologically possible within two decades if political roadblocks are cleared. [Click here]

The International Astronomical Union has announced that it will postpone designating Lunar craters to commemorate the fallen crew of the Space Shuttle Columbia (STS 107) for three years. [Click here]

The International Astronomical Union unanimously votes to vacate the designation of a crater named after a suspected Nazi war criminal following an inquiry by the Lunar Republic Society. [Clickhere]

The most comprehensive Lunar atlas ever released online to the public is now available to everyone. Get your first look ... and don't forget to pick up your full version on CD-ROM! [Clickhere]

Searching for information on lunar mineral resources? Looking for the history of lunar exploration? When's the next full moon? You'll find what your looking for, including maps, photographs, reference materials and links, in our extensive storehouse of lunar facts and figures! [Clickhere]

If it's Lunar, it's available from The Lunar Shops! The official retailer of the Luna Society offers books, globes, maps, posters ... even your own acre of land on the Moon. Whether you are into astronomy, science fiction or if you're simply seeking a great gift idea, a stroll down our aisles will lead to just what you are looking for! [Clickhere]

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What Is DNA? | eHow

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All living things have a special genetic makeup that is unique to their species. Animals, plants, single-celled organisms, and even some viruses contain deoxyribonucleic acid, also called DNA, which contains these genes. They are responsible in creating new cells and for holding the blueprints of the organism. Currently, geneticists are studying DNA in order to understand how to fight certain diseases, and also to figure out how to artificially replicate DNA strands in order to create cells in a laboratory setting.

DNA is one of the most significant parts of any living organism. It makes up the building blocks of all individual creatures and is directly responsible for all the traits of a creature. Color, size, shape, and any deformations that may occur are all a result of the unique DNA strands that are formed when the organism is developing. Through DNA replication, cells can divide and tissue damage can be repaired. DNA is also allowing scientists to help find cures for many genetic diseases or conditions that are prevalent today. Some examples of these genetic diseases, which are results of faulty or mutated DNA, are Down's Syndrome and sickle-cell anemia.

A single strand of DNA features two base polymers, which are simply long strands of protein molecules, that run in different directions, but parallel to each other, never crossing. Between them are the mess of genetic material that creates the unique makeup of an individual. These are formed by sugar molecules, which are attached to bases, of which there are four different kinds. The bases are simple molecules that are responsible for creating pairs with sugars, which attach to make molecules. These combine in various ways over and over again to create the entire DNA blueprint. These structures are called chromosomes, which are duplicated when cells divide.

DNA holds all the genetic material that creates the genome of an organism. When cells divide, DNA is read by RNA strands and then replicated. The needed DNA strands then fuse together to create a copy of the original DNA strand. When this is done, new cells are created, which will then build new tissues and so on. This is the most important function of DNA as it is what allows the body to heal itself over time and also is the process that takes place during pregnancy to create a new member of a species.

Friedrich Miescher was the first person to successfully isolate DNA in 1869. This began the study of DNA, and in 1919 the next major discovery was found. It was then that Phoebus Levene discovered the sugars, bases, and phosphates in the DNA. Later, scientists began to discover how these basic units fit together to create a long strand that could be "read." As the strands were studied, scientists found that segments of them could be read to represent certain traits of organisms. In recent times, DNA has been studied for genetic engineering.

DNA has a telltale shape that is taught as part of basic scientific knowledge in school. It is the double helix shape, which consists of two long strips, the polymers, which run parallel to and twist around each other. Connected to either end of these polymers are long strands of genetic chromosomes. In humans, there are 46 chromosomes that are made up of base pairs of various sugar and base pairings. These all combine to make a single strand of DNA, of which there are many in an organism.

DNA fingerprinting can determine a child's father or identify suspects from crime scene samples. Because 99.9 percent of human DNA is identical,...

Before the 1980s, blood tests were the primary way to establish paternity when the father of a child was in question. Since...

DNA carries the central instructions for protein synthesis in the cell. DNA carries genes that are encoded and transferred to RNA molecules....

DNA testing, or genetic profiling, involves the analysis of an individual's skin, saliva, semen, blood, hair or other bodily material to learn...

A DNA fingerprint is a piece of DNA so distinct that it can prove a person's identity. These distinct areas can take...

In 1984, during a scientific experiment regarding the repeated core sequences in DNA, Sir Alec Jeffreys accidentally discovered DNA fingerprinting. Sir Jeffreys...

In chemistry, a polymer is a chemical compound formed by a sequence of repeated smaller units called monomers. Deoxyribonucleic acid (DNA) consists...

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10 Different Types of Libertarianism

Posted: at 1:41 pm

By Tom Head

Anarcho-Capitalism:

Anarcho-capitalists believe that governments monopolize services that would be better left to corporations, and should be abolished entirely in favor of a system in which corporations provide services we associate with the government. The popular sci-fi novel Jennifer Government describes a system that is very close to anarcho-capitalist.

Civil Libertarianism:

Civil libertarians believe that the government should not pass laws that restrict, oppress, or selectively fail to protect people in their day-to-day lives.

Their position can best be summed up by Justice Oliver Wendell Holmes' statement that "a man's right to swing his fist ends where my nose begins." In the United States, the American Civil Liberties Union represents the interests of civil libertarians. Civil libertarians may or may not also be fiscal libertarians.

Classical Liberalism:

Classical liberals agree with the words of the Declaration of Independence: That all people have basic human rights, and that the sole legitimate function of government is to protect those rights. Most of the Founding Fathers, and most of the European philosophers who influenced them, were classical liberals.

Fiscal Libertarianism:

Fiscal libertarians (also referred to as laissez-faire capitalists) believe in free trade, low (or nonexistent) taxes, and minimal (or nonexistent) corporate regulation. Most traditional Republicans are moderate fiscal libertarians.

Geolibertarianism:

Geolibertarians (also called "one-taxers") are fiscal libertarians who believe that land can never be owned, but may be rented. They generally propose the abolition of all income and sales taxes in favor of a single land rental tax, with the revenue used to support collective interests (such as military defense) as determined through a democratic process.

Libertarian Socialism:

Libertarian socialists agree with anarcho-capitalists that government is a monopoly and should be abolished, but they believe that nations should be ruled instead by work-share cooperatives or labor unions instead of corporations. The philosopher Noam Chomsky is the best known American libertarian socialist.

Minarchism:

Like anarcho-capitalists and libertarian socialists, minarchists believe that most functions currently served by the government should be served by smaller, non-government groups--but they believe that a government is still needed to serve a few collective needs, such as military defense.

Neolibertarianism:

Neolibertarians are fiscal libertarians who support a strong military, and believe that the U.S. government should use that military to overthrow dangerous and oppressive regimes. It is their emphasis on military intervention that distinguishes them from paleolibertarians (see below), and gives them reason to make common cause with neoconservatives.

Objectivism:

The Objectivist movement was founded by the Russian-American novelist Ayn Rand (1905-1982), author of Atlas Shrugged and The Fountainhead, who incorporated fiscal libertarianism into a broader philosophy emphasizing rugged individualism and what she called "the virtue of selfishness."

Paleolibertarianism:

Paleolibertarians differ from neolibertarians (see above) in that they are isolationists who do not believe that the United States should become entangled in international affairs. They also tend to be suspicious of international coalitions such as the United Nations, liberal immigration policies, and other potential threats to cultural stability.

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Deoxyribonucleic Acid (DNA) Fact Sheet – Genome.gov

Posted: December 15, 2015 at 7:42 am

Deoxyribonucleic Acid (DNA)

We all know that elephants only give birth to little elephants, giraffes to giraffes, dogs to dogs and so on for every type of living creature. But why is this so?

The answer lies in a molecule called deoxyribonucleic acid (DNA), which contains the biological instructions that make each species unique. DNA, along with the instructions it contains, is passed from adult organisms to their offspring during reproduction.

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In organisms called eukaryotes, DNA is found inside a special area of the cell called the nucleus. Because the cell is very small, and because organisms have many DNA molecules per cell, each DNA molecule must be tightly packaged. This packaged form of the DNA is called a chromosome.

During DNA replication, DNA unwinds so it can be copied. At other times in the cell cycle, DNA also unwinds so that its instructions can be used to make proteins and for other biological processes. But during cell division, DNA is in its compact chromosome form to enable transfer to new cells.

Researchers refer to DNA found in the cell's nucleus as nuclear DNA. An organism's complete set of nuclear DNA is called its genome.

Besides the DNA located in the nucleus, humans and other complex organisms also have a small amount of DNA in cell structures known as mitochondria. Mitochondria generate the energy the cell needs to function properly.

In sexual reproduction, organisms inherit half of their nuclear DNA from the male parent and half from the female parent. However, organisms inherit all of their mitochondrial DNA from the female parent. This occurs because only egg cells, and not sperm cells, keep their mitochondria during fertilization.

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DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.

The four types of nitrogen bases found in nucleotides are: adenine (A), thymine (T), guanine (G) and cytosine (C). The order, or sequence, of these bases determines what biological instructions are contained in a strand of DNA. For example, the sequence ATCGTT might instruct for blue eyes, while ATCGCT might instruct for brown.

The complete DNA instruction book, or genome, for a human contains about 3 billion bases and about 20,000 genes on 23 pairs of chromosomes.

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DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies.

Each DNA sequence that contains instructions to make a protein is known as a gene. The size of a gene may vary greatly, ranging from about 1,000 bases to 1 million bases in humans. Genes only make up about 1 percent of the DNA sequence. DNA sequences outside this 1 percent are involved in regulating when, how and how much of a protein is made.

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DNA's instructions are used to make proteins in a two-step process. First, enzymes read the information in a DNA molecule and transcribe it into an intermediary molecule called messenger ribonucleic acid, or mRNA.

Next, the information contained in the mRNA molecule is translated into the "language" of amino acids, which are the building blocks of proteins. This language tells the cell's protein-making machinery the precise order in which to link the amino acids to produce a specific protein. This is a major task because there are 20 types of amino acids, which can be placed in many different orders to form a wide variety of proteins.

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The Swiss biochemist Frederich Miescher first observed DNA in the late 1800s. But nearly a century passed from that discovery until researchers unraveled the structure of the DNA molecule and realized its central importance to biology.

For many years, scientists debated which molecule carried life's biological instructions. Most thought that DNA was too simple a molecule to play such a critical role. Instead, they argued that proteins were more likely to carry out this vital function because of their greater complexity and wider variety of forms.

The importance of DNA became clear in 1953 thanks to the work of James Watson, Francis Crick, Maurice Wilkins and Rosalind Franklin. By studying X-ray diffraction patterns and building models, the scientists figured out the double helix structure of DNA - a structure that enables it to carry biological information from one generation to the next.

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Scientist use the term "double helix" to describe DNA's winding, two-stranded chemical structure. This shape - which looks much like a twisted ladder - gives DNA the power to pass along biological instructions with great precision.

To understand DNA's double helix from a chemical standpoint, picture the sides of the ladder as strands of alternating sugar and phosphate groups - strands that run in opposite directions. Each "rung" of the ladder is made up of two nitrogen bases, paired together by hydrogen bonds. Because of the highly specific nature of this type of chemical pairing, base A always pairs with base T, and likewise C with G. So, if you know the sequence of the bases on one strand of a DNA double helix, it is a simple matter to figure out the sequence of bases on the other strand.

DNA's unique structure enables the molecule to copy itself during cell division. When a cell prepares to divide, the DNA helix splits down the middle and becomes two single strands. These single strands serve as templates for building two new, double-stranded DNA molecules - each a replica of the original DNA molecule. In this process, an A base is added wherever there is a T, a C where there is a G, and so on until all of the bases once again have partners.

In addition, when proteins are being made, the double helix unwinds to allow a single strand of DNA to serve as a template. This template strand is then transcribed into mRNA, which is a molecule that conveys vital instructions to the cell's protein-making machinery.

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Last Updated: June 16, 2015

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What Is Censorship? | American Civil Liberties Union

Posted: at 7:41 am

Censorship, the suppression of words, images, or ideas that are "offensive," happens whenever some people succeed in imposing their personal political or moral values on others. Censorship can be carried out by the government as well as private pressure groups. Censorship by the government is unconstitutional.

In contrast, when private individuals or groups organize boycotts against stores that sell magazines of which they disapprove, their actions are protected by the First Amendment, although they can become dangerous in the extreme. Private pressure groups, not the government, promulgated and enforced the infamous Hollywood blacklists during the McCarthy period. But these private censorship campaigns are best countered by groups and individuals speaking out and organizing in defense of the threatened expression.

American society has always been deeply ambivalent about these questions. On the one hand, our history is filled with examples of overt government censorship, from the 1873 Comstock Law to the 1996 Communications Decency Act. On the other hand, the commitment to freedom of imagination and expression is deeply embedded in our national psyche, buttressed by the First Amendment, and supported by a long line of Supreme Court decisions.

The Supreme Court has interpreted the First Amendment's protection of artistic expression very broadly. It extends not only to books, theatrical works and paintings, but also to posters, television, music videos and comic books -- whatever the human creative impulse produces.

Two fundamental principles come into play whenever a court must decide a case involving freedom of expression. The first is "content neutrality"-- the government cannot limit expression just because any listener, or even the majority of a community, is offended by its content. In the context of art and entertainment, this means tolerating some works that we might find offensive, insulting, outrageous -- or just plain bad.

The second principle is that expression may be restricted only if it will clearly cause direct and imminent harm to an important societal interest. The classic example is falsely shouting fire in a crowded theater and causing a stampede. Even then, the speech may be silenced or punished only if there is no other way to avert the harm.

SEX SEXUAL SPEECH Sex in art and entertainment is the most frequent target of censorship crusades. Many examples come to mind. A painting of the classical statue of Venus de Milo was removed from a store because the managers of the shopping mall found its semi-nudity "too shocking." Hundreds of works of literature, from Maya Angelou's I Know Why the Caged Bird Sings to John Steinbeck's Grapes of Wrath, have been banned from public schools based on their sexual content.

A museum director was charged with a crime for including sexually explicit photographs by Robert Mapplethorpe in an art exhibit.

American law is, on the whole, the most speech-protective in the world -- but sexual expression is treated as a second-class citizen. No causal link between exposure to sexually explicit material and anti-social or violent behavior has ever been scientifically established, in spite of many efforts to do so. Rather, the Supreme Court has allowed censorship of sexual speech on moral grounds -- a remnant of our nation's Puritan heritage.

This does not mean that all sexual expression can be censored, however. Only a narrow range of "obscene" material can be suppressed; a term like "pornography" has no legal meaning . Nevertheless, even the relatively narrow obscenity exception serves as a vehicle for abuse by government authorities as well as pressure groups who want to impose their personal moral views on other people.

PORNOGRAPHIC! INDECENT! OBSCENE! Justice John Marshall Harlan's line, "one man's vulgarity is another's lyric," sums up the impossibility of developing a definition of obscenity that isn't hopelessly vague and subjective. And Justice Potter Stewart's famous assurance, "I know it when I see it," is of small comfort to artists, writers, movie directors and lyricists who must navigate the murky waters of obscenity law trying to figure out what police, prosecutors, judges and juries will think.

The Supreme Court's current definition of constitutionally unprotected Obscenity, first announced in a 1973 case called Miller v. California, has three requirements. The work must 1) appeal to the average person's prurient (shameful, morbid) interest in sex; 2) depict sexual conduct in a "patently offensive way" as defined by community standards; and 3) taken as a whole, lack serious literary, artistic, political, or scientific value.

The Supreme Court has held that Indecent expression -- in contrast with "obscenity" -- is entitled to some constitutional protection, but that indecency in some media (broadcasting, cable, and telephone) may be regulated. In its 1978 decision in Federal Communications Commission v. Pacifica, the Court ruled that the government could require radio and television stations to air "indecent" material only during those hours when children would be unlikely listeners or viewers. Broadcast indecency was defined as: "language that describes, in terms patently offensive as measured by contemporary community standards for the broadcast medium, sexual or excretory activities or organs." This vague concept continues to baffle both the public and the courts.

PORNOGRAPHY is not a legal term at all. Its dictionary definition is "writing or pictures intended to arouse sexual desire." Pornography comes in as many varieties as the human sexual impulse and is protected by the First Amendment unless it meets the definition for illegal obscenity.

VIOLENCE IS MEDIA VIOLENCE A THREAT TO SOCIETY? Today's calls for censorship are not motivated solely by morality and taste, but also by the widespread belief that exposure to images of violence causes people to act in destructive ways. Pro-censorship forces, including many politicians, often cite a multitude of "scientific studies" that allegedly prove fictional violence leads to real-life violence.

There is, in fact, virtually no evidence that fictional violence causes otherwise stable people to become violent. And if we suppressed material based on the actions of unstable people, no work of fiction or art would be safe from censorship. Serial killer Theodore Bundy collected cheerleading magazines. And the work most often cited by psychopaths as justification for their acts of violence is the Bible.

But what about the rest of us? Does exposure to media violence actually lead to criminal or anti-social conduct by otherwise stable people, including children, who spend an average of 28 hours watching television each week? These are important questions. If there really were a clear cause-and-effect relationship between what normal children see on TV and harmful actions, then limits on such expression might arguably be warranted.

WHAT THE STUDIES SHOW Studies on the relationship between media violence and real violence are the subject of considerable debate. Children have been shown TV programs with violent episodes in a laboratory setting and then tested for "aggressive" behavior. Some of these studies suggest that watching TV violence may temporarily induce "object aggression" in some children (such as popping balloons or hitting dolls or playing sports more aggressively) but not actual criminal violence against another person.

CORRELATIONAL STUDIES that seek to explain why some aggressive people have a history of watching a lot of violent TV suffer from the chicken-and-egg dilemma: does violent TV cause such people to behave aggressively, or do aggressive people simply prefer more violent entertainment? There is no definitive answer. But all scientists agree that statistical correlations between two phenomena do not mean that one causes the other.

INTERNATIONAL COMPARISONS are no more helpful. Japanese TV and movies are famous for their extreme, graphic violence, but Japan has a very low crime rate -- much lower than many societies in which television watching is relatively rare. What the sudies reveal on the issue of fictional violence and real world aggression is -- not much.

The only clear assertion that can be made is that the relationship between art and human behavior is a very complex one. Violent and sexually explicit art and entertainment have been a staple of human cultures from time immemorial. Many human behavioralists believe that these themes have a useful and constructive societal role, serving as a vicarious outlet for individual aggression.

WHERE DO THE EXPERTS AGREE? Whatever influence fictional violence has on behavior, most expert believe its effects are marginal compared to other factors. Even small children know the difference between fiction and reality, and their attitudes and behavior are shaped more by their life circumstances than by the books they read or the TV they watch. In 1972, the U.S. Surgeon General's Advisory Committee on Television and Social Behavior released a 200-page report, "Television and Growing Up: The Impact of Televised Violence," which concluded, "The effect [of television] is small compared with many other possible causes, such as parental attitudes or knowledge of and experience with the real violence of our society." Twenty-one years later, the American Psychological Association published its 1993 report, "Violence & Youth," and concluded, "The greatest predictor of future violent behavior is a previous history of violence." In 1995, the Center for Communication Policy at UCLA, which monitors TV violence, came to a similar conclusion in its yearly report: "It is known that television does not have a simple, direct stimulus-response effect on its audiences."

Blaming the media does not get us very far, and, to the extent that diverts the public's attention from the real causes of violence in society, it may do more harm than good.

WHICH MEDIA VIOLENCE WOULD YOU BAN? A pro-censorship member of Congress once attacked the following shows for being too violent: The Miracle Worker, Civil War Journal, Star Trek 9, The Untouchables, and Teenage Mutant Ninja Turtles. What would be left if all these kinds of programs were purged from the airwaves? Is there good violence and bad violence? If so, who decides? Sports and the news are at least as violent as fiction, from the fights that erupt during every televised hockey game, to the videotaped beating of Rodney King by the LA Police Department, shown over and over gain on prime time TV. If we accept censorship of violence in the media, we will have to censor sports and news programs.

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Introducing Libertarianism: A Reading List …

Posted: at 7:40 am

November 3, 2011 essays

The eight books on this list offer a thorough but accessible introduction to libertarianism.

Libertarianismits theory, its practiceis an awfully big topic. This reading list gives you a place to start. A combination of newcomers and established classics, these books offer accessible introductions to variety of libertarian thought, from philosophy to history to economics.

Libertarianism: A Primer by David Boaz

Boazs book provides exactly what its title promises.Libertarianism: A Primer is a quick and easy read, but its also a remarkably thorough introduction to libertarianism. It covers the historical roots of libertarianism and the basics of libertarian political philosophy and economic thinking. Boaz then applies these ideas to major policy areas, showing how free association and free markets, not government coercion and bureaucracy, can solve our most pressing social issues.

The Law by Frdric Bastiat

Everything this 19th century Frenchman wrote is worth readingand The Law is a great place to start. Bastiats knack is tackling head-on, with great wit and clarity, the fundamental errors and hidden interests behind much economic and political thinking. With The Law, published in 1850, his target is legal plunder or state-authorized confiscation of property. The law exists to protect our basic rights, Bastiat argues. When it instead becomes a means of coerced redistribution, the law has been used to destroy its own objective: It has been applied to annihilating the justice that it was supposed to maintain; to limiting and destroying rights which its real purpose was to respect. The law has placed the collective force at the disposal of the unscrupulous who wish, without risk, to exploit the person, liberty, and property of others.

The Machinery of Freedom: Guide to a Radical Capitalism by David Friedman

Libertarianism represents a spectrum of political philosophies, all sharing a general presumption of liberty. These philosophies vary in how much of a role they grant the state. Classical liberals, for instance, allow government to tax for the provision of many services, including education and social safety nets. Minarchists see governments only legitimate role as providing rights protection in the form of police, courts, and national defense. At the extreme are the anarcho-capitalists, who would abolish the state altogether and replace it with purely private and voluntary provision of services, including for the law itself. David Friedmans The Machinery of Freedom offers an introduction to anarcho-capitalism, arguing from a consequentialist perspective that the state is both unnecessary for achieving a desirable society and that it in fact makes the world worse through its actions. The questions Friedman raises and the analysis he offers will benefit any student of liberty.

Free to Choose: A Personal Statement by Milton Friedman and Rose Friedman

Published as the companion volume to the 10-hour documentary of the same name, Free to Choose was one of the bestselling books of 1980. Here Nobel laureate Milton Friedman and his wife, Rose, give a spirited and readable critique of the interventionist state, focusing on concrete examples and explanations. Free to Choose is an excellent introduction to the productive power unleashed by freedomand also a primer on the economic analysis of public policy. The Friedmans examine the workings of markets, look at how well-meaning policies like the minimum wage hurt the poor, and explain the causes of the Great Depression. Covering much the same ground as the documentary series, though in more depth, Free to Choose is a perfect introduction not only to the thought of Milton Friedman, one of the 20th centurys foremost champions of liberty, but also to the under-appreciated and often misunderstood benefits of laissez faire.

Eat the Rich: A Treatise on Economics by P. J. ORourke

Proving that economics need not be a dry, textbook affair, P. J. ORourkes Eat the Rich sets out to answer the critical question, Why do some places prosper and thrive while others just suck? ORourke, one of Americas premier humorists, travels the world, visiting Wall Street, Albania, Sweden, Cuba, Russia, Tanzania, Hong Kong, and Shanghai, and uses his experiences to untangle the relationship between markets, political institutions, and culture. While Eat the Rich is a breezy and hilarious read, it is far from facile. ORourkes explorations and the insights he draws from them make the book live up to its subtitle, A Treatise on Economics. If youve never taken Econ 101 and the thought of supply and demand curves makes you want to nod off, Eat the Richis a perfect book.

Atlas Shrugged by Ayn Rand

A perennial bestseller since its publication in 1957, Ayn Rands mammoth novel Atlas Shrugged has probably turned more people on to libertarianism than any other book. Atlas Shrugged explores a dystopian future, where the government has enthusiastically embraced collectivism in the name of fairness and equality and leading innovators, industrialists, and artists have begun disappearing. The book served as Rands platform for promoting Objectivism, her comprehensive philosophy of rational selfishness. While Rands philosophy remains deeply divisive to this day, it is impossible to deny the enormous impact shes had on promoting the benefits of free markets and dynamic capitalism.

The Rational Optimist: How Prosperity Evolves by Matt Ridley

The newest book on this list, Matt Ridleys The Rational Optimistemploys the grand sweep of human history and pre-history to argue for the incredible significance of free tradeand against those who would seek to restrict it. In so doing, Ridley offers what amounts to a book-length answer to the question, Why are people rich? Most humans who have ever lived did so in unimaginable poverty. It was only recently that standards of living began their remarkableand acceleratingclimb. What happened? Free exchange. Just as sex made biological evolution cumulative, Ridley writes, so exchange made cultural evolution cumulative and intelligence collective, and that there is therefore an inexorable tide in the affairs of men and women discernible beneath the chaos of their actions.

Basic Economics: A Common Sense Guide to the Economy by Thomas Sowell

While the libertarian vision is much more than just free markets, economic thinking greatly informs the libertarian approach to public policy. When youre ready to move beyond the brief introduction provided by P. J. ORourkes Eat the Rich, Thomas Sowells Basic Economics is the ideal place to turn. Sowell presents the fundamentals of economic reasoning in clear, jargon-free prose. He addresses everything from incentives and the role of prices, to international trade, monetary policy, and the banking system. Sowell shows how so many government programs, enacted with the best of intentions, run afoul of simple economic truths and, as a result, often do far more harm than good.

Aaron Ross Powell is a research fellow and editor of Libertarianism.org, a project of the Cato Institute. Libertarianism.org presents introductory material as well as new scholarship related to libertarian philosophy, theory, and history. Powells writing has appeared in Liberty and The Cato Journal. He earned a JD from the University of Denver.

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