Technology

Scientists worry about cost and feasibility of “boost-phase” technologies

Open-ended style of learning does better than traditional methods

Deleting your account doesn’t prevent “shadow profiles”

Learning framework detects abstract differences in images and re-creates them in real life

Scientists say microbiome is a surprisingly accurate biological clock

Deep learning program creates list of likely conditions based on facial markers

Using video from four different marathons, researchers track how motion moves through crowds

Balloons that pick up sounds from artificial earthquakes could one day explore Venus

Acoustic device can levitate and manipulate multiple items, simultaneously

Researchers develop high-speed approach to make up to 5 billion combinations of different nanomaterials in a single shot

Soft, skeletonlike robot hand executes complex movements

Artificial intelligence firm takes crown in biannual contest

Minidosimeters monitor exposure to ultraviolet rays

Artificial intelligence–powered cars can put the brakes on stop-and-go traffic

Scientist use magnetic field to drive spiral nanobots

Quakes defy scientists’ attempts to tease out longer, accurate warnings