Ancient primate fossil unearthed
Researchers working in Uganda say they have unearthed the well-preserved fossil skull of an ancient primate.
The 20 million-year-old specimen comes from the site of an extinct volcano in Uganda's north-east Karamoja region.
The scientists say preliminary analysis showed the tree-climbing herbivore was roughly 10 years old when it died.
The skull is about the same size as that of a chimp, but its brain was smaller....
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