Speech-recognition systems promise the world. But for more than nine million people with voice ailments, that world is out of reach
A wearable device records the sounds of knees cracking, which could reveal clues about the condition of the joint. Christopher Intagliata reports.
An expert answers questions about what could happen at the cellular level after a report links radio-frequency signals to tumors in rats
A sped-up video from the reusable SpaceX first stage as it comes in from space to land on a drone ship
Exposure to radio-frequency radiation linked to tumor formation in rats
Nuclear physicists wonder: Should we downsize our nuclear arsenal?
The genetic-testing company's real goal is to hoard your personal data
Engineering students in the mechatronics class at The Cooper Union in Manhattan have a unique final exam—they build sumo robots that fight one another for supremacy.