Uncategorized
- Health & Medicine
Mixed Blessing: Unusual gene helps heart, hurts immunity
People carrying a variant of a gene that encodes an immune protein called toll-like receptor 4 have a weaker defense against infections but appear to be less prone to heart disease.
- Health & Medicine
More than Skin Deep? Beauty products may damage fetal development
A new report shows that many cosmetics contain phthalates—a class of chemicals known to cause developmental deformities in animals.
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19088
This article touches on one of the dirty little secrets of beauty products: By and large, they are a chemical stew with ingredients that would require EPA warnings if used in industrial settings. I’m amazed that EPA doesn’t regulate the volatiles in nail salons. Steve SchlosserSaratoga, Calif.
- Health & Medicine
Disabled Defense: HIV protein counters immune-cell gene
Immune cells contain a protein that can inhibit HIV replication if the AIDS virus lacks a key protein.
- Paleontology
Skimming the Surface: Flying reptile may have scooped its meals
Fossils unearthed in Brazil strengthen the idea that some species of ancient flying reptiles snatched their meals on the fly, snapping up fish as they swooped low over the water's surface.
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19087
While reading that the cranial crest of the pterosaur Thalassodromeus helped regulate body temperature, I pondered another potential use. While gliding near the water, its crested head might act as a rudder for the large-wingspan animal. Perhaps the crest also included nerves that allowed Thalassodromeus to sense fleeing fish. Steve M. AdamsPlano, Texas Perhaps the […]
- Health & Medicine
Gender differences in weight loss
Men and women gain weight differently and may lose it differently, too.
- Health & Medicine
Antioxidants for greyhounds? Not a good bet
Antioxidant vitamins that greyhound racers have been giving their animals to boost performance actually slow down the dogs.
- Health & Medicine
Study fails to link vasectomy to cancer
Researchers have found that men with prostate cancer are no more likely to have had a vasectomy than healthy men are.
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19086
This article says that the water drop is added to the back of the paper “as a wall against which the metal plume could push.” It seems more likely that the heat of the laser would even more violently vaporize the water, creating a small explosion that would drive the plane forward via the relatively […]
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- Earth
Study links cancer to Vatican Radio
Broadcast transmissions from a forest of antennas owned by Vatican Radio, outside Rome, appear to have boosted leukemia incidence in neighboring communities.
