News
- Earth
Polymer Breakdown: Reaction offers possible way to recycle nylon
A new chemical process offers hope that the thousands of tons of nylon thrown away every year could one day be recycled.
By Sid Perkins - Health & Medicine
Antibiotics in infancy tied to asthma
Infants who get several courses of antibiotics before their first birthdays are more likely to develop asthma later.
By Nathan Seppa - Physics
Smallest laser minds the gap
The smallest, most efficient laser yet represents a step toward speedier information transfer within computers.
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Oldest siblings show slight IQ advantage
The oldest boys in families, including those who became oldest after the death of an earlier-born brother, have a slight IQ edge over their younger siblings.
By Bruce Bower -
Enzyme is target in parasite
The flatworm that causes the tropical disease schistosomiasis may be vulnerable to drugs that neutralize an essential enzyme in the parasite.
By Nathan Seppa - Physics
Pas de deux for a three-scoop particle
Physicists have discovered the first particle containing one member of each of the three families of quarks.
- Health & Medicine
Linking stress and senility
A gene that's active in the brain may help explain why emotional stress seems to increase a person's likelihood of getting Alzheimer's disease.
- Earth
Icebergs can be biological hot spots
Icebergs carry nutrients from the land and shed them into the sea, nourishing life in the frigid waters near Antarctica.
By Sid Perkins -
Blind people excel at serial recall
Blind people recall strings of words better than sighted people do, perhaps because of their greater reliance on memory in dealing with the tasks of daily life.
By Bruce Bower - Anthropology
Ape Aid: Chimps share altruistic capacity with people
Chimpanzees, as well as 18-month-old children, will assist strangers even when getting no personal reward, suggesting that human altruism has deep evolutionary roots.
By Bruce Bower - Health & Medicine
Immune Abuse: Methamphetamine is linked to cardiac damage
The illicit drug methamphetamine alters immune proteins unleashed in the body, possibly explaining why some longtime methamphetamine abusers suffer heart problems.
By Nathan Seppa - Health & Medicine
Alcohol Answer? Drinks lower glucose to protect heart
Moderate consumption of beer, wine, or gin lowers blood glucose, perhaps helping to stave off type 2 diabetes and heart disease.