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Sperm donors father huge ‘families’ in US, Canada

In a scenario straight from science-fiction, experts are increasingly concerned about lax rules for sperm donors in the US and Canada where some men have anonymously fathered dozens of children. Unlike in some countries such as France and Britain, there are no laws in either Canada or the United States…

Don’t have penis enlargement: Cuban sexpert

A leading Cuban sexologist Saturday urged young men who are worried about the size of their penis not to take advantage of the communist nation’s free health care to have surgery to enlarge their manhood. “It is not necessary that the penis be so long to encourage a woman… because…

Brain-attacking worm linked to decline of Wyoming moose

SALMON, Idaho (Reuters) – A brain-attacking worm is strongly suspected as a factor in the mysterious and steep decline of moose herds in the western part of Wyoming, wildlife biologists in the state said on Friday. While moose populations diminish, infestations by the fly-borne, microscopic Elaeophora schneideri worm are on…

Climate change negotiators see no major Durban deal

PANAMA CITY (Reuters)- Global climate change negotiators Friday concluded their last round of discussions before next month’s U.N. convention in Durban, South Africa with faint hope of extending the Kyoto Protocol beyond next year. But while negotiators see no chance for a sweeping deal to control greenhouse gas emissions, they…

Study seeks to prove theory humans still evolving

Rare evidence of the long-held belief that humans are still evolving has been unearthed in the parish records of a French-Canadian island on the Saint Lawrence seaway, researchers say. Ile aux Coudres is located 80 kilometers (50 miles) northeast of Quebec City. Between 1720 and 1773, 30 families settled there…

Task force: Routine screening for prostate cancer does not save the lives of healthy men

Routine screening for prostate cancer does not help save the lives of healthy men and often triggers the need for more tests and treatments, a US government health panel said Friday. The US Preventive Services Task Force’s draft recommendations, which will be open to public comment on Tuesday, are likely…

Monkey mind control — a breakthrough for paralysis?

SAO PAULO (Reuters) – Scientists believe they are a step closer to enabling paralyzed people to walk and use artificial arms after an experiment in which monkeys moved and sensed objects using only their minds. The monkeys were able to operate a virtual arm to search for objects through brain…

More energy than expected from Crab supernova: study

The Crab Pulsar, a fast-spinning supernova remnant discovered in 1968, appears to emit pulsed gamma-rays at greater energy levels than can be explained by current scientific models, a new study said Thursday. Astrophysicists using the VERITAS telescope array at the Whipple Observatory in the US state of Arizona have detected that the intriguing young neutron…

Scientists use cloning to make human stem cells

CHICAGO (Reuters) – U.S. scientists for the first time have used a cloning technique to get tailor-made embryonic stem cells to grow in unfertilized human egg cells, a landmark finding and a potential new flashpoint for opponents of stem cell research. The researchers were trying to prove it is possible…

Forecasters predict extreme cold winter for Chicago

(Reuters) – Private forecaster Accuweather.com said on Wednesday that heavy snow and extreme cold should be expected in the north central United States, especially in the Chicago area, in the coming winter. The East Coast faces average to slightly above average snowfall during the winter of 2011-2012 as a Pacific…

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