All Stories
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- Animals
Giant snakes invading North America
A new government study suggests the United States may see pythons in Pennsylvania by 2100.
- Chemistry
The secret life of fruit flies
Scientists find that the most attractive scent for a fruit fly is no scent at all.
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- Humans
Meet your mysterious relative
Ardi climbed trees and walked on two legs 4.4 million years ago.
- Environment
Flu river
Rivers polluted with Tamiflu could help a resistant flu strain develop in birds.
- Fossils
Three strikes wiped out woolly mammoths
Giant mammals went extinct thanks to climate, comet and people.
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- Space
Not bone-dry after all: the moon holds water
New moon studies turn up water on and under the lunar surface.
- Math
Shuffling shenanigans
A magician-turned-mathematician figures out how many times to shuffle a deck of cards before playing Old Maid
- Space
Galaxies far, far, far away
Images from the Hubble Space Telescope show galaxies that formed when the universe was a child.
- Genetics
Two monkeys see a more colorful world
A genetic experiment changes the way monkeys see the world.
