Life

Brain

Sleep to Remember Places and Routes

Deep sleep may help your brain solidify memories of where you've been and how you got there.

Animals

Growing up in dangerous waters

Wild guppies that live in dangerous places don't live fast and die young as scientists previously thought.

Fossils

Early birds ready to rumble

A fossil hints that prehistoric baby birds could have fed themselves soon after hatching.

Brain

Fruit fly brain has two clocks

Fruit flies have not one, but two built-in clocks to regulate daily activity.

Brain

Hearing Better in the Dark

Blind people are better at locating distant sounds than people who can see.

Animals

Wintering apart, returning together

Birds that fly off to different places in winter can still manage to return home at the same time in spring.

Genetics

Gene sleuths track down ivory sources

DNA testing of a tusk's ivory can help identify where the elephant came from.

Brain

Fair play

Studying dogs, monkeys, and other animals at play can teach us about fairness and cooperation.

Fossils

Hunting by sucking, long ago

An ancient sea creature with a snakelike neck may have sucked up its prey.

Brain

Nature May Nurture Paying Attention

A green environment can help kids with attention disorders concentrate.

Animals

superfast muscles for cooing doves

To coo, a dove's muscles have to contract and relax amazingly quickly.

Animals

Owls use dung to lure beetles

A burrowing owl spreads dung around its nest to attract beetles.