Show Details


November 19, 2010

A religious ceremony is shaping the evolution of the Atlantic molly cavefish of southern Mexico. (Mona Lisa Productions)

A genetic explanation for why some people with the HIV virus never develop symptoms, how the shape of the genome influences how genes work, and a religious practice that’s shaping the evolution of a Mexican fish. Also: cloud seeding gets a failing grade, and why replacing native plants with crops accelerates climate change.


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