River prawns stop disease spread in West Africa

The Diama Dam that spans between Senegal and Mauritania in West Africa was intended to improve crop irrigation when it was built in 1986. But while preventing saltwater intrusion, the dam also altered the region's ecology, ...

For chimpanzees, salt and pepper hair not a marker of old age

Silver strands and graying hair is a sign of aging in humans, but things aren't so simple for our closest ape relatives—the chimpanzee. A new study published today in the journal PLOS ONE by researchers at the George Washington ...

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