Narwhals are not just unicorn-tusked marvels frolicking in the ocean waves and inspiring some of the internets greatest hits. They are alsoNASAs secret agents in studying climate change.

Narwhals are some of the few animals who are happy thatthe glaciers are melting, so scientists from NASAsOceans Melting Greenland (also known by the not-at-all subtle acronym OMG) have conscripted them into their climate change studies. OMG is trying to figure out how quickly Greenlands ice will disappear, and thefeeding habits of narwhals are proving helpful. According to Bloomberg, The whalestend to feedat the bottom of melting glaciersand can dive to depths of 1,800 meters, precisely the areas that OMG needs to survey. In short, follow the narwhals, and theyll show you the seasonal ebb and flow of glaciers, which could reveal howmuch ice is left.

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Narwhals are helping NASA study climate change because they are just that awesome - Fast Company