Life
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- Animals
Sponges’ secret weapon
An aquatic animal provides a possible new kind of disease resistance.
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- Animals
When Darwin got sick of feathers
The man who started evolutionary biology had some bad moments over a bird.
- Plants
The man who rocked biology to its core
Two hundred years later, Charles Darwin's ideas still live on.
- Microbes
Hitting the redo button on evolution
Scientists are experimenting with bacteria to see if evolution plays out the same way every time.
- Fossils
Invisible fossils of the first animals
Though the first animals on Earth didn’t leave behind rock fossils, scientists can still find these ancient creatures by observing their invisible molecular fossils.
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- Animals
Between a rock and a wet place
If you're a fish that climbs waterfalls, is it better to have a squat body, or be tall and a fast swimmer?
- Animals
Longer lives for wild elephants
A surprising new study shows that female elephants in the wild might live up to three times longer than those born in zoos.
- Animals
Caterpillars tattletale to police
Clothes moth larvae snack on hair from corpses, providing police with genetic clues.
