Uncategorized
- 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.
By Emily Sohn - 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.
By Emily Sohn - Space
Black holes that burp
Some black holes in outer space may actually spit out as much material as they suck in.
By Emily Sohn - 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.
By Emily Sohn - Environment
Less mixing can affect lake’s ecosystem
Warming a large lake can cut microorganism populations and disturb its food chain.
By Emily Sohn - Plants
Slower growth, greater warmth
A shift toward slower-growing trees might make Earth's climate warm up even faster.
By Emily Sohn - Health & Medicine
A framework for growing bone
A promising new material could help encourage damaged or broken bones to grow back.
By Emily Sohn - Humans
Digging for ancient DNA
Soil has yielded identifiable DNA of animals and plants that lived up to 400,000 years ago.
By Emily Sohn - Health & Medicine
Remembering Facts and Feelings
An inner-brain region called the hippocampus may be the root of memory of both experiences and fact.
By Emily Sohn - Space
A galaxy far, far, far away
Astronomers have glimpsed some of the most distant galaxies yet found.
By Emily Sohn - Environment
Cliff snails and rock climbers
Rock climbers can accidentally wipe out communities of cliff snails.
By Emily Sohn -