Rust nanoparticles could help treat arsenic-contaminated drinking wells.
A breakthrough process at the University of Pennsylvania reactivates moribund cells in the skin to restore a thick head of hair–and it may cure acne, too.
Routers on 600 buses and taxis allow free Internet access and collect data for city planners.
Startup Knightscope is preparing to roll out human-size robot patrols.
A study put people on autopilot by electrically stimulating their thigh muscles.
Einstein’s famous critique of quantum mechanics first emerged in 1930, five years earlier than thought, according to a new analysis of his work.
Thanks to Galaxy Zoo, crowdpower has revolutionized galaxy classification. But now the machines are taking over.