News

Astronomy

Gamma rays streaming from stellar explosions stump astronomers

The Fermi satellite detected gamma rays coming from an unexpected source — and astronomers don’t understand what made that possible.

Health & Medicine

Mummies reveal hardened arteries

Mummy studies suggest heart disease is an ancient malady, not just the product of modern diets and sedentary lifestyles.

Animals

Nematode sperm go rogue

Worm sperm a killer when nematode species crossbreed.

Neuroscience

Part of brain’s pleasure network curbed in mice with chronic pain

Part of brain’s pleasure network is muffled in mice with chronic paw injuries, a new study finds.