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Jet lag might hasten death in elderly
Mimicking jet lag in old mice brought on an early death in the animals.
- Animals
Tough policing deters cheating in insects
In insect societies that have tough police, it's coercion, rather than kinship, that's preventing crime.
By Susan Milius - Math
The Mind of the Swarm
Mathematics is helping explain how animals form flocks, swarms, and schools.
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19758
It is not only the scientific literature that documents the unexpected “doughnut” pattern in swarms. Italo Calvino’s fictional Mr. Palomar observed (rather more lyrically) about the flocking of Roman starlings, “Finally a form emerges from the confused flutter of wings, advances, condenses: it is a circular shape, like a sphere, a bubble, the balloon-speech of […]
By Science News - Chemistry
Chemical Pop-Up Books
Chemists and engineers have designed two-dimensional structures that self-fold into functional, three-dimensional objects, such as miniature chemistry laboratories and drug-delivery devices.
- Humans
Letters from the November 25, 2006, issue of Science News
Wasted youth The experiments with mice infected with the 1918 influenza virus are important but not surprising (“The Bad Fight: Immune systems harmed 1918 flu patients,” SN: 9/30/06, p. 211). John Barry’s The Great Influenza: The Epic Story of the Deadliest Plague in History (2004, Viking) explains that many, perhaps most, of the victims were […]
By Science News - Health & Medicine
Bone Health
The Web site of the International Osteoporosis Foundation offers information for health professionals and the public about osteoporosis, a disease that reduces the density and quality of a person’s bones. It includes a 1-minute osteoporosis risk test, patient stories, facts and statistics on the disease, articles, and more. Go to: http://www.iofbonehealth.org/
By Science News - Humans
From the November 14, 1936, issue
Counting dust particles, fighting viral diseases, and aging whiskey.
By Science News -
Derailing a Disease: Stem cells slow dogs’ muscular dystrophy
Injecting a special type of stem cell into dogs with the canine equivalent of Duchenne muscular dystrophy significantly slowed the disease's progression.
- Animals
Chicken Speak: Birds pass test for fancy communication
The chicken may be the first animal other than primates that's been shown to make sounds that, like words, represent something in the environment. With audio.
By Susan Milius - Tech
Cleanup Speedup: Device improves oil-spill recovery
By adding grooves to the surface of a common oil-skimming device, researchers recovered up to three times as much oil as they do with smooth-surfaced devices.
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19757
Concerning this article, I have yet to read a single study regarding the alleged benefits of circumcision that acknowledges that the foreskin is erogenous tissue. Removal of erogenous tissue from a female would be considered barbaric, even if it did offer some protection against sexually transmitted diseases. Jerry MalonePueblo, Colo. This is surgery, which should […]
By Science News