Earth
How Earth’s changing ecosystems may have driven human evolution
The most detailed ever look at Earth's prehistoric climate suggests many habitats changed in the past 800,000 years – and this may be why we evolved big brains
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The most detailed ever look at Earth's prehistoric climate suggests many habitats changed in the past 800,000 years – and this may be why we evolved big brains
We thought the first Homo species evolved in East Africa 2.8 million years ago, but stone tools from Algeria suggest our origins may have spanned the continent