Juan Enriquez and Steve Guillans stopped by Google's Cambridge, MA office to discuss their book "Evolving Ourselves: How Unnatural Selection and ...
Emily Parsons-Lord re-creates air from distinct moments in Earth's history -- from the clean, fresh-tasting air of the Carboniferous period to the soda-water air of ...
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Nature is wonderfully abundant, diverse and mysterious -- but biological research today tends to focus on only seven species, including rats, chickens, fruit flies ...
View full lesson: http://ed.ted.com/lessons/how-does-a-jellyfish-sting-neosha-s-kashef You're swimming in the ocean when something brushes your leg.