Related topics: stem cells · osteoporosis · fossil · fractures · dinosaurs

Perfectly preserved dinosaur skin found in Korea

Paleontologists are used to finding dinosaur bones and tracks. But remnants of soft tissue, like muscles or skin, are rare and often not well preserved. A very small percentage of tracks – much less than 1% – show skin ...

Oldest-known stone tools pre-date Homo

Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered. The tools, ...

The two-century-old mystery of Waterloo's skeletal remains

More than 200 years after Napoleon met defeat at Waterloo, the bones of soldiers killed on that famous battlefield continue to intrigue Belgian researchers and experts, who use them to peer back to that moment in history.

How birds got their wings

Modern birds capable of flight all have a specialized wing structure called the propatagium without which they could not fly. The evolutionary origin of this structure has remained a mystery, but new research suggests it ...

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