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Thumbnail of Seven Million Years of Human Evolution

Seven Million Years of Human Evolution

Published 3 days 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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Thumbnail of Yooperlite Glow Rocks

Yooperlite Glow Rocks

Published 23 days 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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Thumbnail of Aluminum and Mercury

Aluminum and Mercury

Published 28 days 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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