(PhysOrg.com) -- The duration of sexual intercourse differs wildly across the animal kingdom. Now researchers seeking to understand the evolutionary significance of lengthy copulation duration have found evidence that it ...
Plants & Animals
Dec 9, 2011
4
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In Sub-Saharan Africa, women who are empowered to make household decisions tend to have sex less often. This is according to a study conducted by researchers at the Johns Hopkins Bloomberg School of Public Health. They examined ...
Social Sciences
Sep 21, 2011
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Russian or Soviet cosmonauts never had sex in space in the 50 years of human exploration of the cosmos. And that's official, according to a Russian expert. As for Americans, well, you'd better ask them.
Space Exploration
Apr 22, 2011
21
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(PhysOrg.com) -- Amyloid protein structures are best known for the troubles they pose in the brains of Alzheimer's patients. Now researchers are trying to exploit their presence in a very different place - in semen - to find ...
Biochemistry
Sep 28, 2010
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(PhysOrg.com) -- As a new mother herself, Brenda Lohman admits to being shocked by the results of a new study she co-authored. It found that among nearly 1,000 low-income families in three major cities, one in four children ...
Social Sciences
Aug 13, 2009
6
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