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Human Ancestors Suddenly Got Bigger Around 2 Million Years Ago — With Average Body Size Jumping From 88 to 132 Pounds

An analysis of 386 fossils across 21 hominin species finds a gradual rise first, then a sharp jump to about 60 kg in early Homo.

Learn how fossils show human ancestors did not grow bigger in a straight line, but split into larger and smaller evolutionary paths.

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The increase in human body size did not occur gradually throughout human evolution. At least, it was not always so. The big leap occurred between 2 and 2.5 million years ago and was starred by two human species, the robust Homo rudolfensis and the great explorer Homo erectus , according to a new research carried out by a team from the universities of Reading and Oxford. Homo erectus , known for its incursions outside Africa, was the first homini…

·Spain
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Early humans did not gradually become larger. Their size increased relatively late when the way of life changed significantly

·Vienna, Austria
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der Standard AT broke the news in Vienna, Austria on Monday, June 22, 2026.
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