Our species, Homo sapiens, emerged in Africa between 150,000 and 250,000 years ago. Then, around 80,000 years ago, the first modern humans left the black continent and spread to the rest of the world. But they did not arrive at all...
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New research combines a remote sensing system with a predictive spatial distribution model and concludes that between 10,272 and 23,648 large-scale archaeological sites in the Amazon remain to be discovered
Parents and coaches of youth chess players peg the highest potential rating of girl players to be lower than that of boy players.
Researchers have developed a bacteria-based tool to test whether form follows function among organelles.