Tech

  1. Health & Medicine

    A new app tracks breathing to detect an opioid overdose

    A smartphone app called Second Chance could help save opioid users who shoot up alone.

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  2. Particle Physics

    Readers ask about electrons’ roundness, a science board game and more

    Readers had questions about electrons’ roundness, a camera that measures light intensity in decibels and more.

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  3. Health & Medicine

    A new implant uses light to control overactive bladders

    Experiments in rats show that a new soft device could help alleviate frequent, sudden urges to urinate.

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  4. Artificial Intelligence

    Artificial intelligence is mastering a wider variety of jobs than ever before

    In 2018, AI bested humans at following fauna, diagnosing disease, mapping the moon and more.

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  5. Astronomy

    50 years ago, astronauts orbited the moon for the first time

    Apollo 8 launched on December 21, 1968, with three astronauts on board, making 10 revolutions around the moon — the first manned lunar orbits.

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  6. Physics

    These sound waves can levitate and move particles in new ways

    A new machine that levitates objects using sound waves can manipulate several particles at once.

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  7. Tech

    A new way to turn saltwater fresh can kill germs and avoid gunk buildup

    A new device that harnesses sunlight to produce pure vapor from seawater could last longer and produce cleaner water than other technology.

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  8. Life

    These new tweezers let scientists do biopsies on living cells

    Nanotweezers that can pluck molecules from cells without killing them could enable real-time analysis of the insides of healthy and diseased cells.

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  9. Health & Medicine

    A patch studded with tiny needles may help heart attack survivors recover

    A bandage that sticks to the surface of the heart exudes proteins and other molecules that help muscle cells grow.

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  10. Earth

    A new algorithm could help protect planes from damaging volcanic ash

    A computer program that tracks the temperature and height of clouds in the atmosphere could keep planes away from volcanic ash.

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  11. Tech

    A new airplane uses charged molecules, not propellers or turbines, to fly

    A small aircraft prototype is powered by ionic wind flowing in one direction and pushing the plane in the other.

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  12. Tech

    How Twitter bots get people to spread fake news

    Automated bot accounts on Twitter help spread misinformation by strategically encouraging people to make it go viral.

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