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October 24, 2016

Imagine there were no towers (the apt term for a group) of giraffes overlooking the African savannas. Tragically, this is happening: these uniquely African animals have already become extinct in 7 African...

October 03, 2016

Paternity tests for humans, using special DNA markers known as microsatellites, have become commonplace, and it takes only a cheek swab, a few plucked hairs, or a small amount of blood to provide a human...