Uncategorized
- Paleontology
No Olympian: Analysis hints T. rex ran slowly, if at all
Tyrannosaurus rex, a bipedal meat eater considered by many to be the most fearsome dinosaur of its day, may not have been the swift Jeep-chaser portrayed by Hollywood.
- Health & Medicine
More good news about chocolate
The Kuna people of Central America appear to keep their blood pressure down by drinking cocoa rich in chemicals called flavanols.
- Chemistry
Wheat protein smooths ice cream
Proteins extracted from winter wheat keep ice cream smooth by preventing ice crystals from growing.
- Earth
El Niño’s coming! Is that so bad?
Although El Niño is often blamed for ill effects that total billions of dollars, a broader analysis suggests that the United States garners substantial benefits during this weather pattern.
- Health & Medicine
Coffee beans, cavity-causing germs
Compounds in coffee loosen the grip of bacteria that cause tooth decay.
- Tech
Littlest catalysts get a lot of support
Tiny metal clusters used as catalysts are getting so small that presumably inert carrier materials that host them are also getting involved in the reactions.
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18993
Just a simple question from an avid subscriber. Is the homocysteine in this article the same as the l-cysteine or acetyl-l-cysteine that people take for health reasons in pill form? Paul A. PagnatoMcLean, Va. L-cysteine and acetyl-l-cysteine are quite different from homocysteine. l-cysteine is a detoxifying agent and free radical scavenger that’s the mirror image […]
- Health & Medicine
High homocysteine tied to Alzheimer’s
Research has linked the incidence of Alzheimer's disease and other forms of dementia to elevated blood concentrations of the amino acid homocysteine.
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Encouraging signs but no woodpecker
A birding team searching in Louisiana for the possibly extinct ivory-billed woodpecker heard a promising pattern of taps but did not see the bird or hear it calling.
- Health & Medicine
Tracking Tumors
Researchers are trying to visualize molecular and cellular changes as a cancer responds to therapy in order to predict whether treatments are effective sooner than it's currently possible to determine.
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Ivorybill Search
The huge ivory-billed woodpecker has remained one of the United States’ most charismatic birds, even years after its presumed demise. In the latest effort to find the bird, a Zeiss-sponsored expedition this year sought the woodpecker in a Louisiana swamp. Catch up with the doings of the woodpecker’s many fans and learn more about its […]
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From the February 27, 1932, issue
PUSSY WILLOW Florists shops have long been offering big, beautiful, and expensive wands of pussy willows. But now the willow trees and bushes out of doors are putting forth their own offerings: smaller catkins, perhaps, but with the authentic tang of the wild about them. Harmless, charming, furry wild kittens, beloved of children everywhere! Pussy […]
