Life

Animals

Pythons overtake Everglades

In southern Florida, giant snakes change the ecosystem one meal at a time.

Microbes

Killing a bacterial killer

A common, cheap element offers hope against deadly bacterial infections.

Animals

No frostbite for dogs

Blood vessels in dog paws keep their temperature just right.

Brain

Lip-reading babies

Before they start talking, babbling babies ‘read’ mouths.

Animals

Fish eyes go green

Scientists find a surprise in the lens of a fish that lives in the dark.

Brain

The brain behind the game

Top athletes watch and learn from their teams, coaches and opponents.

Animals

Eyes from ions

Scientists use charged molecules to grow eyes in tadpole guts.

Microbes

Glowing, gutsy hitchhikers

Bacteria glow to get across the ocean inside animals’ guts.

Animals

Fins as early legs

“Walking” fish may help scientists understand how ancient animals learned to move on land.

Animals

Bloodsuckers get out of bed

Bedbugs have reemerged as a global menace — and they may be lurking in the dark near you.

Genetics

Genes tell old story

Ancient cells hold evidence of a massive die-off of Native Americans.

Microbes

Surprisingly hardy flu germs

Flu-causing viruses may live for days or even months outside the body.