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Breast cancer screening saves lives, says study

PARIS — The benefits of preemptive breast cancer screening outweigh the risks, a study said Tuesday, insisting the practice saves thousands of lives. The new research adds to the debate about the dangers of overdiagnosis, which sees some women undergo invasive treatment for cancers that would never have made them…

UN pinpoints climate-linked health risks

GENEVA — Two UN agencies on Monday presented a new tool to map health risks linked to climate change and extreme weather conditions, enabling authorities to give advance warnings and act to prevent “climate-sensitive” diseases from spreading. The World Metrological Organization and the World Health Organization presented their first joint…

New species of lizard found in Australia

Scientists announced Monday the discovery of a new species of lizard fighting to survive among the sand dunes outside Perth in Western Australia. They fear it is only a matter of time before the six-centimetre (two-inch) long Ctenotus ora, or the coastal plains skink, will be extinct with urban sprawl…

Test allows doctors to see disease without microscope

Scientists in Britain say they have developed a super-sensitive test using nano-particles to spot markers for cancer or the AIDS virus in human blood serum using the naked eye. As it does not need sophisticated equipment, the test-tube technique should be cheap and simple, making it a a boon for…

Space capsule heads home from ISS

WASHINGTON — The unmanned Dragon space capsule set off from the International Space Station Sunday for the cargo-laden return trip to Earth after successfully delivering its first commercial payload, NASA said. Using a robotic arm, an astronaut aboard the floating laboratory detached and released the capsule at 1329 GMT after…

Modern alchemy leaches gold from water

SAINT-PIERRE-LES-NEMOURS, France — A small French start-up company is selling a technology with a hint of alchemy: turning water into gold. It does so by extracting from industrial waste water the last traces of any rare — and increasingly valuable — metal. “We leave only a microgramme per litre,” according…

MIT student wins competition by suggesting paintball pellets could save Earth from asteroids

Paintball Pellets Could Save Earth From Asteroids (via NewsLook) Winner of the MIT 2012 Move an Asteroid Technical Paper Competition details how a paintball could move an asteroid.…

Women smokers who quit by 40 regain 9 otherwise lost years

Women can add nine years to their lives by quitting smoking before the age of 40 but still face a 20-percent higher death rate than those who never smoked, a study said Saturday. Published in The Lancet, a survey of nearly 1.2 million women in Britain showed that smoking throughout…

Scientists: Sleep-deprived bees struggle to remember what they learn

Sleepy honeybees, much like sleepy people, struggle to recall experiences they have had just a day ago and to remember things they just learned. According to an article in Scientific American, neurobiologists at the Free University of Berlin have found that bees which have been deprived of sleep can’t absorb…

Climate change may be changing amphibian evolution

Disruptions in global weather patterns may be forcing some species to adapt to new conditions or face extinction. Science Daily is reporting that research on some species of amphibians suggests that animals are being forced to alter their patterns of mating and producing young in order to keep up with…

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