All Stories
- 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.
- Space
Phantom Energy and the Big Rip
Weird stuff called dark energy could push the universe toward a runaway expansion and ultimate demise about 21 billion years from now.
- Health & Medicine
Tapeworms and drug delivery
Scientists are learning from tapeworms how to develop more effective medicines.
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- Environment
Less mixing can affect lake’s ecosystem
Warming a large lake can cut microorganism populations and disturb its food chain.
- Plants
Slower growth, greater warmth
A shift toward slower-growing trees might make Earth's climate warm up even faster.
- Health & Medicine
A framework for growing bone
A promising new material could help encourage damaged or broken bones to grow back.
- Humans
Digging for ancient DNA
Soil has yielded identifiable DNA of animals and plants that lived up to 400,000 years ago.
- Health & Medicine
Remembering Facts and Feelings
An inner-brain region called the hippocampus may be the root of memory of both experiences and fact.
- Space
A galaxy far, far, far away
Astronomers have glimpsed some of the most distant galaxies yet found.
- Environment
Cliff snails and rock climbers
Rock climbers can accidentally wipe out communities of cliff snails.
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