Life
- Animals
Ant invasions change the rules
Ant invaders may wreck the rules by which entire communities of their peers work.
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- Animals
Lucky survival for black cats
A cat's black color may date back to a mutation that also protected the felines from diseases a long time ago.
- Animals
Fish nests with pizzazz
Fish known as three-spined sticklebacks go gaga over decorating their nests.
- Environment
The down side of keeping clean
Chemicals we use to clean and disinfect could be damaging the environment by killing off algae at the food chain's base.
- Plants
Slower growth, greater warmth
A shift toward slower-growing trees might make Earth's climate warm up even faster.
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- Environment
Cliff snails and rock climbers
Rock climbers can accidentally wipe out communities of cliff snails.
- Environment
Less mixing can affect lake’s ecosystem
Warming a large lake can cut microorganism populations and disturb its food chain.
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- Fossils
Fossil fly from Antarctica
A tiny fly fossil has turned up about 500 kilometers from the South Pole.
