The news these days is grim for the science-minded. The governor of Texas, who’d also like to be your president, says that Texas schools teach creationism. (They don’t, although Perry–who appointed a creationist to chair the State Board of Education–may wish otherwise.) Astrophysicist Neil deGrasse Tyson spoke passionately on HBO about the country’s retreat from dreams.

So I found some small comfort in an email I got from Patrick House, a Stanford graduate student, about my recent post on the cunning ways of the parasite Toxoplasma–Toxo to its friends and admirers.

I’m the first author on the new Toxo paper. I wanted to send you an email that hopefully cheers your day — I’m getting a Ph.D. now in Neuroscience at Stanford, working exclusively on Toxo — and I wouldn’t be here if it weren’t for you.

I did my undergrad work in Philosophy (with some neuroscience thrown in) and was perpetually fascinated by Toxo ever since your Discover article on Parasites a decade ago led me tangentially to it and then — of course — Parasite Rex. I met with Robert, spoke to him about ...