The 3,500 apps available for the Apple Watch show the device’s promise and pitfalls.
Startup Knightscope is preparing to roll out human-size robot patrols.
Groups in Indonesia, Colombia, Zimbabwe, and elsewhere join Indian counterparts in criticizing Internet.org’s practices.
Lab notebooks could determine who was first to invent a revolutionary gene-editing technology.
Spiders sprayed with water containing carbon nanotubes and graphene flakes have produced the toughest fibers ever measured, say materials scientists.
Bitcoin’s most influential developer has proposed a controversial fix that would help it handle more transactions.
A startup has a smartphone-assisted gadget that can determine your glasses prescription, with help from a remote optometrist.
Startups like Automatic are trying to interest developers in gadgets that plug into your car, hoping to power a new wave of mobile apps.
The way creatures evolve in a quantum environment throws new light on the nature of life.