Uncategorized
- Earth
Rural living may hobble sperm
An epidemiological study provides evidence that sperm concentrations in men residing in rural areas are significantly lower than those of men living in urban centers.
- Earth
Arsenic Agriculture? Irrigation may worsen Bangladesh’s woes
Researchers investigating an unfolding massive epidemic of arsenic poisoning in Bangladesh say they have evidence that local irrigation practices may be contributing to the problem.
- Physics
Cold War Conductor: Ultracold plutonium compound shows no resistance
Researchers studying the crystalline properties of radioactive plutonium have discovered the first plutonium-based superconductor.
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Dog Sense: Domestication gave canines innate insight into human gestures
Dogs may have acquired an innate ability to understand human body language after they were domesticated.
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19201
Eskimos are reported to occasionally tie female Malamutes in heat out in the wilderness to be impregnated by wolves. This is supposed to keep their dog lines vigorous. The converse, male Malamutes impregnating female wolves, is not reported. If this process has happened widely in history, then there may have been three dog Eves in […]
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Three Dog Eves: Canine diaspora from East Asia to Americas
Genetic studies have moved the origins of dog domestication from the Middle East to East Asia and suggest that the first people to venture into the Americas brought their dogs with them.
- Health & Medicine
Virus Stopper: Vaccine could prevent most cervical cancers
A vaccine fashioned from a protein found on human papillomavirus-16 protects women from long-term viral infections that can lead to cervical cancer.
- Earth
Dioxin cuts the chance of fathering a boy
More girls than boys are fathered by men who sustained a relatively high environmental exposure to dioxin from a 1976 factory explosion in Italy.
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19200
Bacillus cereus is not a “harmless” microorganism, as stated in your article. It has been described in the ophthalmologic literature as one of the most destructive organisms if it gains access to the inside of the eye, and it is a relatively common cause of posttraumatic endophthalmitis. There is a high incidence of B. cereus […]
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Viruses that slay bacteria draw new interest
Bacteriophages, viruses that kill bacteria, may be able to cure seafood poisoning, decontaminate poultry, and tackle anthrax.
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Gene therapy grows bone in mice and rats
A new gene therapy tested in rodents regrows bone by transforming skin and gum cells into bone-making cells or into cells that mass-produce a molecule called bone morphogenetic protein-7, which induces bone growth.
- Astronomy
New sky map: Look, Ma, no Milky Way!
Using a radio telescope to record emissions from hydrogen gas, astronomers have penetrated the murk of the Milky Way to map the entire southern sky.
