Seven Million Years of Human Evolution

Published 2 years ago in Science. Submitted by thundersnow

Scientists use fossils to reconstruct the evolutionary history of hominins—the group that includes modern humans, our immediate ancestors, and other extinct relatives. Today, our closest living relatives are chimpanzees, but extinct hominins are even closer. Where and when …
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10 differences between artificial intelligence and human intelligence

Published 2 years ago in Science. Submitted by ringmaster

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Yooperlite Glow Rocks

Published 2 years ago in Science. Submitted by sux2bu

Yooperlites are Syenites rich in fluorescent Sodalite, found on Lake Superior beaches in Michigan's Upper Peninsula.
It’s technically called a “Syenite Clasts Containing Fluorescent Sodalite” but Erik wanted something easier to pronounce. So he coined the name “Yooperlite” and has now trademarked the Yooperlite name.
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Aluminum and Mercury

Published 2 years ago in Science. Submitted by sux2bu

When mercury is added to aluminum, it forms an amalgam (a mercury alloy).
Aluminum is normally protected by a thick oxide layer, but the formation of the amalgam disrupts it. It allows fresh aluminum to react with air to form white aluminum oxide. As the oxide grows, it forms a…
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If the Universe is only 14 Billion years old, how can it be 92 Billion years Wide with a W

Published 2 years ago in Science. Submitted by Judge-Jake

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