Cross-breeding boosted Homo sapiens' ability to cope with cool climates, but the hybrids may have had trouble breeding.
Playing for Change: I'd Rather Go Blind. Defending the Right to Protest. UNMANNED: America's Drone Wars. Organisms Do Evolve.
A 'crazy dorky scientist' and Miley fan just couldn't resist making this 'Wrecking Ball' parody
A 'crazy dorky scientist' and Miley fan just couldn't resist making this 'Wrecking Ball' parody. Full lyrics are here.
Reader Comments - Philippine Recovery and Climate Change; Human Origins; "Strange Fruit;" North Carolina; Delbert Tibbs; Adjunct Unions; Corporate Profits-great infographic; South Africa - COSATU-ANC-SACP Alliance; Education; Healthcare; ALEC; Occupy; Steve Kindred; Race and Cuba;
Announcements - The Invention of the White Race; Celebrating the Life of Father Paul Mayer; Pete Seeger's new book
Scientists have found the oldest DNA evidence yet of humans’ biological history. But instead of neatly clarifying human evolution, the finding is adding new mysteries.
NASA reconstructs five billiion years of the history of Mars in a breathtaking animation. There were once lakes and blue skies.
Life is powerful, and in order to understand how living systems work, you first have to understand how they originated, developed and diversified over the past 4.5 billion years of Earth's history.
Eugenie C. Scott fights the teaching of creationism in schools.
The myth: Darwin's friends cooked up a scheme to rob the working-class Wallace of his priority and instead put their friend Darwin first. The fact: every substantive claim in the popular narrative about Wallace turns out to be incorrect. As Wallace himself wrote: "this vast, this totally unprecedented change in public opinion has been the result of the work of one man, and was brought about in the short space of twenty years!"
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