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How drones are helping scientists find meteorites

Meteorites offer tantalizing clues about what the early solar system was like. But finding them is far from rocket science. Often, researchers simply fan out across a landscape and walk for hours while staring at the ground. Now,…

How brain implants are treating depression

Electricity Saved My Brain This is the first part in a series on deep brain stimulation for depression. On a hot, sunny Sunday afternoon in Manhattan, time froze for Jon Nelson. He stood on the sidewalk and said…