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By Meredith Wadman of Nature magazine The recent finding that women in seven sub-Saharan Africa countries are nearly twice as likely to acquire HIV if they use a popular, long-acting injectable contraceptive, has incensed AIDS researchers. [More]

By Meredith Wadman of Nature magazine The recent finding that women in seven sub-Saharan Africa countries are nearly twice as likely to acquire HIV if they use a popular, long-acting injectable contraceptive, has incensed AIDS researchers. [More]

PCR--the polymerase chain reaction--is a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases.

PCR--the polymerase chain reaction--is a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heats and cools an original biological sample

Ada Lovelace Day allows us an opportunity to highlight the work of women in science.

Ada Lovelace Day allows us an opportunity to highlight the work of women in science.

Lady Ada Lovelace was a contemporary and colleague of Charles Babbage , he innovator of the programmable

Lady Ada Lovelace was a contemporary and colleague of Charles Babbage , he innovator of the programmable

WELLINGTON (Reuters) - A drought-stricken Pacific island nation is down to its last few days of water, prompting a mercy dash by New Zealand and Australia with water-making equipment. Tuvalu, the world's fourth-smallest nation sitting just below the Equator, has declared a state of emergency and is rationing water. [More]

Cambridge University Engineering Department Controversial tests of geoengineering hardware, initially set to start in October, have been delayed. The British government agency that provides funding to the project issued the delay on September 29, in order “to allow time for more engagement with stakeholders.” [More]

(Reuters) - A mother's exposure to airborne pollutants at work during her pregnancy may increase the likelihood that her unborn child will later develop asthma, a Danish study said. The review of registry data on 45,658 seven-year-old children and their mothers found that 18.6 percent of children of mothers who were exposed to low-molecular-weight particles at work during pregnancy developed asthma, compared to 16.1 percent of the general population. [More]

(Reuters) - A mother's exposure to airborne pollutants at work during her pregnancy may increase the likelihood that her unborn child will later develop asthma, a Danish study said. The review of registry data on 45,658 seven-year-old children and their mothers found that 18.6 percent of children of mothers who were exposed to low-molecular-weight particles at work during pregnancy developed asthma, compared to 16.1 percent of the general population.

The U.S. Preventive Services Task Force is about to recommend that healthy men forgo being screened for prostate cancer with the familiar PSA (prostate-specific antigen) blood test.

The U.S.

The San Francisco Bay Area yesterday became the first region in California to pass regulations governing development in areas prone to sea-level rise.