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Our ancestors left Africa both with and without modern brains

Enlarge / One of the remarkably intact Dmanisi skulls at the time of discovery. We have an extensive collection of fossils from the genera that produced us humans. A large number of Australopithecus and early Homo skeleton traces the transition to bipedal gait and the appearance of features that mark our current anatomy. But it’s much harder to figure out …

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How to survive a killer asteroid

When Galileo trained its telescope on the moon in 1609 and discovered perfectly circular craters that dominated its topography, astronomers began to wonder how they formed. A few astronomers, such as Franz von Gruithuisen, a German from the early 19th century, suggested asteroid effects as the cause. But most rejected this theory based on a simple, extremely confusing fact: the …

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Such is the rain on other planets

Rain on the ground is something that we have come to know well. It is relatively predictable in size and shape, and while we notice more extreme weather and lack of rain in some parts of the world (thanks to climate change, which by the way is our fault), rain itself does not change much. As it turns out, the …

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While Etna lights up the sky, mud basins keep track of what it …

(Corrects typographical error ‘makes’ to ‘to’ in the heading) PATERNO, Sicily, April 9 (Reuters) – Mount Etna’s lava fountain has been regularly illuminating the Sicilian night sky since December, and scientists say mudslides several kilometers from Europe’s highest active volcano have the key to predicting what it will do next. . The current eruption cycle – like the other 200 …

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