About the size of "Abraham Lincoln's head on a penny," the device could travel through your body to deliver drugs and take samples.
Harvesting thermal energy from the oceans takes some powerful engineering
"This Isn't the Petition Response You're Looking For"
Happy Throwback Thursday!
Dogs are the best bomb detectors we have. Can scientists do better?
Growing kale and tilapia--and brewing beer--in an abandoned stretch of Chicago
Everything you need to stretch and take an hour off from the notification onslaught.
Unprecedented private-sector development
A stepping stone toward quantum computing and artificial atoms
Multi-terawatt lasers make acceleration possible on a scale of inches instead of miles
And they still don't understand what a third of them are for
Vino without veritas
Canines can detect poachers' contraband, but the job puts them in danger.
Home base for some of tomorrow's great rocket scientists
A new body scanner captures tumors, blood clots and leaky arteries in action
Can software distill mayhem into a database?