Biology news

Early herders' grassy route through Africa

A University of Utah study of nearly 2,000-year-old livestock teeth show that early herders from northern Africa could have traveled past Kenya's Lake Victoria on their way to southern Africa because the ...

dateMar 09, 2015 in Ecology
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Progeny of old parents have fewer offspring

Reproduction at old age involves risks that may impact one's own life and may impose reduced biological fitness on the offspring. Such evidence, previously obtained in humans and other taxa under laboratory ...

dateMar 09, 2015 in Evolution
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