Whether it's calluses, osteoarthritis, or the "phone pinky," our hands tell a story and can reveal a lot about the lives we live and the daily items we use. But what about the hands of our ancient ...

How did the complexity of many organisms living today evolve from the simpler body plans of their ancestors? This is a central question in biology. Take our hands, for example: Every time we type a ...

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The world’s oldest surviving rock art is a faded outline of a hand on an Indonesian cave wall, left 67,800 years ago. On a tiny island just off the coast of Sulawesi (a much larger island in Indonesia ...