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arclein

There is little doubt that stem-cell therapy could reshape orthopedics in animals and people alike. After all, Harman says, “when a Super Bowl linebacker tears a ligament, it’s the samedeal as with horses.” The basic tissue structure in the legs of b

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arclein

The solar storm hit its peak at about 2:41 a.m. EDT (0641 GMT), but the actual flare extended over a three-hour period, said C. Alex Young, a solar astrophysicist at NASA's Goddard Space Flight Center who runs a website called The Sun Today, in a vi

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Ryan Bradley via PopSci.com

They created a 15-by-20-by-5-foot vinyl-and-nylon landing pad that contained two inflatable chambers. The upper chamber was sealed, while the four-foot-high lower chamber had valves that released a controlled amount of air on impact.

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Rena Marie Pacella via PopSci.com

an 8.8-ounce handheld gadget that uses inkjets, computer-mouse-like optics and navigation software to print uploaded images and text on any flat surface, including paper, plastic, wood and even fabric.

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Lauren Aaronson via PopSci.com

Prosthetic hands typically come in three varieties: purely cosmetic models; hooks and other low-cost that provide a limited range of motion; and electronic versions that better mimic natural hand movements yet can cost tens of thousands of dollars.

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arclein

The initial objective of the research was to "try to design a material that can absorb energy under extreme loading situations," Wang explains. Such a material could be used as shielding for trucks or aircraft, he says: "It could be lightweight an

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