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Technology

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smartphone illustration

OVERSHARING  Before personal devices reveal too much about what you’re up to, researchers are trying to build in user protections — or at least call attention to vulnerabilities.

drone

FLYING SPY  A new method could reveal whether a suspicious, camera-equipped drone is snooping on you or your home.

DNA robot illustration

RAPID ROTATION  A robot made entirely of DNA can rotate its arm (purple) 360 degrees or lock it down in certain positions thanks to special latches (yellow) on the bot's platform.

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