Life

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- Animals
Echoes of hunting
Bats use high-pitched sounds to zero in on prey, converting what they hear into how they fly.
By Sarah Webb - Brain
Storing Memories before Bedtime
The brain begins processing lessons learned during the day long before bedtime.
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- Animals
Ultrasonic Frogs Raise the Pitch
Some frogs that live in noisy streams communicate by using ultrasonic calls.
By Emily Sohn - Brain
How Much Babies Know
By studying how babies choose things, researchers have discovered that babies are especially good at learning things that are essential for survival.
By Emily Sohn - Fossils
Mammals in the shadow of dinosaurs
Not all early mammals that lived in the age of dinosaurs were shy and retiring.
By Emily Sohn - Animals
Cannibal Crickets
Hunger and danger keep a certain type of cricket hopping along in large swarms.
By Emily Sohn - Animals
Killer Flatworms Hunt with Poison
A newly discovered flatworm uses poison to hunt small, shelled sea creatures.
By Emily Sohn - Fossils
A dino king’s ancestor
Researchers have unearthed remains of the oldest known dinosaur of the tyrannosaur family.
By Emily Sohn - Animals
Poor Devils
When Tasmanian devils bite each other, they may pass on a fatal disease.
By Emily Sohn - Animals
Red Apes in Danger
The population of orangutans in northeastern Borneo appears to be falling rapidly.
By Emily Sohn - Animals
Polly shouldn’t get a cracker
When female kakapo parrots go on a diet, they produce fewer male chicks.