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Human infants start life with ape-like brains. Now scientists are saying that the parts of the brain that develop the most during childhood are the exact same parts that changed most dramatically when apes evolved into humans.

Killings sometimes occur in communities across Africa PORTLAND, Ore. - In a cooperative venture aimed at understanding the most uncooperative of acts, researchers studying different African communities of wild chimpanzees have pooled their data and found that the apes sometimes kill each other nearly everywhere they've been studied.

ATLANTA (AP) -- In what's being called the first research of its kind, a study found that HIV-infected women in Africa are more likely to spread the AIDS virus if they use hormone-based birth control.