Earliest Evidence Of Humans Thriving On The Savannah

From New Scientist:

Humans were living and thriving on open grassland in Africa as early as 2 million years ago, making stone tools and using them to butcher zebra and other animals. That's according to powerful evidence from artefacts found at Kanjera South, an archaeological site in south-west Kenya.

"There is no clear evidence of any hominin being associated with or foraging in open grassland prior to this 2-million-year-old site," says Thomas Plummer of Queens College at the City University of New York.

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