News tagged with males urine
Pregnant mice block out unwelcome admirers to protect their pups
Biology /
Jul 20, 2008 |
4.6 / 5 (7) |
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Mouse mothers-to-be have a remarkable way to protect their unborn pups. Because the smell of a strange male's urine can cause miscarriage and reactivate the ovulatory cycle, pregnant mice prevent the action of such olfactory ...
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Amount of gene surplus determines severity of mental retardation in males
18 hours ago |
5 / 5 (1) |
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Researchers have discovered a new explanation for differences in the severity of mental illness in males. The more excess copies of a certain gene, the more serious the handicap. The genetic defect is situated on the X-chromosome; ...
Ovaries must suppress their inner male
18 hours ago |
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For an ovary to remain an ovary, the female organ has to continuously suppress its inner capacity to become male. That's the conclusion of a study in the December 11th issue of the journal Cell revealing that t ...
Family life can lead to cannabis disorders
Dec 09, 2009 |
1.3 / 5 (8) |
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(PhysOrg.com) -- One in five young people experience a cannabis use disorder, according to a UQ and Mater Hospital study published today in the American Journal of Drug and Alcohol Abuse.
Female birds -- acting just like the guys -- become sexual show-offs in cooperative breeding species
Dec 09, 2009 |
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(PhysOrg.com) -- Female birds in species that breed in groups can find themselves under pressure to sexually show off and evolve the same kinds of embellishments - like fanciful tail feathers or chest-puffing ...
77 percent of European pigs are castrated without anesthetic
Dec 09, 2009 |
3 / 5 (2) |
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The castration of pigs prevents the "boar taint" smell in the meat and allows them to contain more fat. However in practice this can be very different. Now, for the first time, a scientific team has collected ...
Studying hair of ancient Peruvians answers questions about stress
Other Sciences / Archaeology & Fossils
Dec 09, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- Recent studies show that one in three Canadians suffer from stress and the number is on the rise. But stress isn't a new problem.
Researchers Identify the Most Promiscuous Birds in the World
Dec 09, 2009 |
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(PhysOrg.com) -- UConn ornithologist Chris Elphick and his colleagues carried out DNA tests to discover the paternity of Saltmarsh Sparrow nestlings.
Fast, accurate urine test for pneumonia possible, study finds
Dec 09, 2009 |
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Doctors may soon be able to quickly and accurately diagnose the cause of pneumonia-like symptoms by examining the chemicals found in a patient's urine, suggests a new study led by UC Davis biochemist Carolyn ...
Study identifies genetic predeterminants for diabetes in African-Americans
Dec 09, 2009 |
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For years, scientists have tried to determine the basis for discrepancies between race and the predisposition for development of diseases such as type II diabetes and cardiovascular disease. Could factors ...
Researchers study psychological impact of casual sex
Medicine & Health / Psychology & Psychiatry
Dec 08, 2009 |
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University of Minnesota Project Eating Among Teens (EAT) researchers have found that young adults engaging in casual sexual encounters do not appear to be at increased risk for harmful psychological outcomes as compared to ...
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