All Stories
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- Planets
An Earthlike Planet
Astronomers have discovered an Earthlike planet that could have liquid water, and perhaps life, on its surface.
- Fossils
A Living Fossil
Scientists have discovered that an Asian rodent belongs to a family of animals that had been thought to be extinct.
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- Tech
Sugar power for cell phones
New technology could lead to cell phones that are powered by sweet drinks.
- Animals
Cacophony acoustics
How do frogs hear each other in a noisy pond? Just the way we would, as it turns out.
- Health & Medicine
A Better Flu Shot
A new kind of vaccine that's made in caterpillar cells prevents influenza.
- Planets
Martian Caves
New images taken by a spacecraft orbiting Mars show what appear to be entrances to caves.
- Space
Unearthing Ancient Astronomy
Researchers discover that ancient Peruvians were tracking the skies 4,000 years ago.
- Humans
A Long Trek to Asia
An ancient skeleton from a Chinese cave shows how far humans walked when they left Africa.
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