A new material that requires no electricity uses the universe as a heat sink—even when the sun is shining.
To prevent breaches companies must strictly control which employees can access sensitive data.
The results of the latest analysis are not entirely reassuring.
A molecular diagnosis gives doctors and patients better treatment options when suspicious lumps are found in the neck.
Broadband communication and custom signal-processing chips power a new brain-recording device that may one day help paralyzed people.
A router that runs the Tor software prevents Web tracking.
A nerve-stimulating electrical implant could give people a drug-free alternative to current treatments.
A lightweight wearable display that tethers to a phone got its first public outing this week in Las Vegas.