Although past temperature variations in the tropics are of great importance to understanding the global climate system, little is known about their extent and chronological course. Researchers have ...
THIS PAST JANUARY, I drove from the Ethiopian capital of Addis Ababa to the country’s northern highlands with my mother and my cousin, a seasoned tour guide. I came to research locations where certain ...
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Ancient humans were living in the highlands of what is now Ethiopia as early as 2 million years ago. A reanalysis of a fossilised jawbone from the region confirms that it belonged to a Homo erectus, ...
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