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19052
The Dutch researchers featured in this article seem to have discovered something that has been known for a long time. They conclude that the people who make the best recovery from loss are those who “cite mainly positive feelings” about the deceased. Jews, who are among the human race’s experts in recovering from losses, have […]
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Good Grief: Bereaved adjust well without airing emotion
Among bereaved spouses tracked for up to 2 years after their partners' death, those who often talked with others and briefly wrote in diaries about their emotions fared no better than their tight-lipped, unexpressive counterparts.
- 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.
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18994
There is another mechanism besides muscle that gives energy to running and hopping animals. It enables such animals as kangaroos to run faster than their muscles alone can take them. What happens is the tendons act as springs that stretch and then snap back. There is no reason to think that a large and heavy […]
- 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.
