Science

Artificial muscles restore ability to blink

Knit one, purl one: physicists tie light in knots

Don't stress, or get cancer

Austrian scientists defend torture of pigs

Scientists can spot retinal cell death, predict Alzheimers

Robot gliders take to the seas

Rotorless helicopter laughs at gravity

Girlfriends harder to find than aliens says math nerd

Y chromosome not stagnating, men not idiots