Life
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- Fossils
Big fish in ancient waters
Fossils have revealed an ancient, oversized relative of modern-day swordfish.
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- 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
Toxic Birds May Get Poison from Beetles
Eating certain beetles may make the skin and feathers of some birds poisonous.
- 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
Hearing Better in the Dark
Blind people are better at locating distant sounds than people who can see.
- Brain
Fruit fly brain has two clocks
Fruit flies have not one, but two built-in clocks to regulate daily activity.
- 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.
