Metal-reinforced scorpions evolved to kill

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. Scorpions are optimized hunters, whose skills have been honed through millions of years of evolution. An armored exoskeleton, strong pincers, a poisonous stinger—almost everything about their anatomy aids in either hunting insects, small mammals, and reptiles, or defending themselves…

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Curiosity rover finds signs of ancient life on Mars

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. A first-of-its-kind chemical experiment on Mars indicates that our nearest planetary neighbor still preserves remnants of ancient organic molecules necessary for creating life. Although researchers still need to see this type of evidence firsthand, a team writing in the…

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