Snails plundered for power - what next?

When we heard that a cockroach had been implanted with a operating fuel cell, we thought nothing more creepy, futuristic and sci-fi fantasy was possible.

Cellphone use alters brain activity

The debate over whether cellphones affect the brain rumbles on. The latest study shows a measurable effect on brain activity - but one which may or may not be harmful, say the team.

Healthcare goes wireless

A growing number of consumers and physicians are expressing interest in the concept of tracking vital health signs with mobile devices.