380-million-year-old heart illuminates evolutionary history

Researchers have discovered a 380-million-year-old heart—the oldest ever found—alongside a separate fossilized stomach, intestine and liver in an ancient jawed fish, shedding new light on the evolution of our own bodies.

New process can extend lifetime of metals

Stronger, lighter, cheaper materials are the name of the game in advanced manufacturing. Keeping costs down on materials that are equally, if not more, effective than previous ones is how businesses get ahead—and, theoretically, ...

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