All Stories
- Humans
Toxic yes: Toxins? No
Yet another news story baits us with the promise of reading about noxious toxins – and doesn't deliver.
- Life
Astrocytes are rising stars
Astrocytes, brain cells previously thought to be support cells for neurons, regulate blood flow in the brain and may aid neuron signaling. The regulation of blood flow makes visualizing brain activity with fMRI possible.
- Math
Scooping the political pollsters
Who will win the election in November? A technique from baseball stats may predict the answer.
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- Space
An early record-breaker
A remote galaxy is churning out up to 4,000 newborn stars a year, making it the star-forming champ among galaxies in the early universe.
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- Health & Medicine
Repairing muscle from the cell up
Skeletal muscle stem cells can fix weakling muscles in mice and could eventually lead to treatments for muscular dystrophy.
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- Earth
Howdy, neighbor!
About 800 million years ago, East Antarctica, now one of the coldest regions on Earth, abutted what is now Death Valley, Calif., one of the hottest.
- Ecosystems
Aspiring to Save the Planet
The failure of the G-8 Summit to put some teeth in greenhouse-gas limits suggests it may be time for a global climate czar.
- Chemistry
It’s DNA Jim, but not as we know it
Chemists synthesized a DNA-like molecule using unnatural versions of the “letters” that make up the genetic code.
- Paleontology
A wandering eye
New look at fossils of primitive flatfish reveals how these fish evolved eyes on one side of their head
