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Health & MedicineA new treatment could restore some mobility in people paralyzed by strokes
Electrodes placed along the spine helped two stroke patients in a small pilot study regain control of their hands and arms almost immediately.
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How the science of rocks is like the science of humans
Editor in chief Nancy Shute examines how a simple question can lead to a complex search for answers in both geology and human psychology.
By Nancy Shute -
SpaceWhat has Perseverance found in two years on Mars?
NASA's Perseverance rover has turned up volcanic rocks, signs of flowing water and some of the materials necessary for life.