Undated handout photo of a 2.8 million-year-old human jaw bone fossil
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Jawbone 'sheds light on first humans'

A jawbone, thought to belong to one of the world's very first humans, has been found in Ethiopia.

The discovery, published in the journal Science, backs the view that climate change drove some apes from the trees who then went on to develop human traits.

Science correspondent Pallab Ghosh reports.

  • 04 Mar 2015
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