Large fossil leg bone hints at origins of T. rex, but scientists disagree
The tibia suggests that the dinosaur's ancestors came from North America When it comes to identifying fossil species, a solitary...
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Why African Striped Mice May Be the Best Dad – or the Worst
By flipping a molecular switch, males go from being puppy guardians to being puppy killers The difference between a loving...
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Find pi today simply by tossing coins
Celebrate Pi Day and learn how this number appears in math and science on our special Pi Day page.Take something...
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Will the first lunar base be American or Chinese?
In the race led by the United States and China to return astronauts to the Moon, there is actually a...
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These charts show the scale of Europe’s defense boom, as companies take stock of the war in Iran.
Workers assemble a Leonardo AW139 helicopter in the production workshop at the Leonardo factory in Varese, Italy, Thursday, March 20,...
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