February 22, 2012 Wednesday 11:32 pm EST
A relative of earthquake victims mourns at the ruins of earthquake-hit Beichuan county in Sichuan province April 2, 2009.
Psychologists: Physical and Social Pain Hurts the Same Way
People have long described experiences of social rejection or loss with words indicating physical pain, and only recently have scientists discovered evidence that social pain may actually be processed by the brain region that monitors physical pain.
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Biologists Debunk the 'Rotting' Y Chromosome Theory, Men Will Still Exist
Biologists have previously predicted that that the male sex-determining Y chromosome, which once carried around 800 genes, like the X, has lost hundreds of them over the past 300 million years, will mutate itself out of existence, leading to the eventual extinction of men.
Harvard Researchers Develop DNA Nanorobots to Kill Cancer Cells
Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University have developed a robotic device made from DNA that could potentially seek out specific cell targets within a complex mixture of cell types and deliver important molecular instructions, such as...
Disrupted Body Clock Heightens Risk for Infections
A disrupted body clock may weaken the immune system, according to a new study published on Thursday.
WHO Panel Agrees Airborne Bird Flu Research and Full Publication Must Go On, After Security Check
A panel of experts invited to the "closed door" two-day international meeting at the World Health Organization (WHO) in Geneva, ruled on Friday morning that controversial studies on a mutant form of the H5N1 avian flu virus, transmissible among ferrets and potentially among humans, should...
High Population Density Greatest Risk Factor for Water-Linked Diseases
Water-associated infectious disease outbreaks are more likely to occur in areas where a region's population density is growing, according to a new global analysis of economic and environmental conditions that influence the risk for these outbreaks.
Impact of Unsafe Water and Poor Sanitation on Child and Maternal Mortality
The impact of unsafe water and sanitation on the death rates of children under five and mothers in the year after childbirth has been quantified for the first time by Canadian-based researchers.
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Biologists Debunk the 'Rotting' Y Chromosome Theory, Men Will Still Exist
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Facebook, Twitter Are Harder to Resist Than Cigarettes, Alcohol
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A Glass of Milk a Day Benefits the Brain
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