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eshrag
0 27

Scientists say their robot dinosaur could help explain the evolution of wings. But 1 expert says the study is flawed.

A robot dinosaur is helping scientists peer into our prehistoric past to learn why some dinosaurs evolved feathered wings before…
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eshrag
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Cancer screening may not extend lives, new study suggests. But experts say it’s flawed.

One of the tests the authors studied was a mammogram, pictured above, which is commonly used to screen for breast…
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