Electric vehicle range drops in cold weather, and technological solutions are years away.
New cardiac devices are small enough to be delivered through blood vessels into the heart.
Using chemical reactions to synthesize complex protein drugs could help researchers create more effective medicines.
Microsoft researcher Danah Boyd tries to puncture some myths about teenagers and the Internet.
Researchers believe an Android smartphone is the key to creating a low-cost, autonomous drone.
With Swedish telephone numbers and a tree-bound base station, a remote Indonesian village runs its own telecommunications company.
Bitcoin is underpinned by unbreakable codes, but the secret keys that protect personal fortunes are easily lost or stolen.
An industry hopes to make Web-connected gadgets from different makers work well together.
Street View-style imagery of interior spaces lets mobile devices locate themselves more accurately than is possible with GPS.
Twitter’s footprint is growing fast, although English speakers in the U.S. remain the largest demographic. The trick now is to turn its global presence into advertising dollars.