The rise of the first complex life depended on vital metals brought up to the Earth's surface from far below in vast granite deposits, a new study argues.
Earth Sciences
Aug 7, 2012
12
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Policymakers struggling to stop the spread of HIV grapple with "what if" questions on the scale of millions of people and decades of time. They need a way to predict the impact of many potential interventions, alone or in ...
Computer Sciences
Jul 27, 2012
0
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School administrators are facing a growing dilemma resulting from social networking that goes beyond preventing cyber-bullying among students. They're also faced with balancing the rights of privacy and free speech of educators ...
Social Sciences
Jan 31, 2012
0
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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
0
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While statutory rape laws have been enacted to protect minors from sexual abuse by adults or peers, more teenagers are engaging in sexual activity before the legal age of consent and are facing sexual assault charges.
Social Sciences
May 24, 2011
0
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(PhysOrg.com) -- Scientists in Perth, Western Australia, investigating the costs of brothers and sisters in contemporary Australian society, have discovered that girls with older brothers tend to start menstruation later, ...
Plant scientists at the John Innes Centre have provided a new solution to an old debate on why species hybrids can be more vigourous than their parents. In a study to be published online next week in the online open access ...
Biotechnology
Jul 20, 2010
0
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As a woman gets older, physical problems are less likely to influence whether she is sexually active than her partner's health or interest in sex, according to a new study by researchers at the University of California, San ...
Social Sciences
Jun 25, 2009
0
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(AP) -- A month after the killing of a masseuse who advertised on Craigslist, the classified ad site announced plans Wednesday to eliminate its "erotic services" category and screen all submissions to a new "adult services" ...
Internet
May 13, 2009
2
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