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Antibiotics don’t help sinusitis: U.S. researchers

WASHINGTON — Antibiotics provide little help to people with sinus infections, according to a study released Tuesday which suggested doctors are prescribing the drugs too often. The study appearing in Wednesday’s Journal of the American Medical Association found that using the common antibiotic amoxicillin for patients with acute uncomplicated rhinosinusitis…

Alaska releases shocking video of sea lions strangled by debris

Alaska Department of Fish and Game has released a heartbreaking video that shows the deadly effects of fishing gear and marine debris on seals and endangered sea lions. The horrifying images show sea lions being strangled by plastic bands caught around their necks and seals with large fishing hooks protruding…

Aspirin could beat cancer spread: study

Aspirin and other household drugs may inhibit the spread of cancerbecause they help shut down the chemical “highways” which feedtumours, Australian researchers announced on Tuesday. Scientists at Melbourne’s Peter MacCallum Cancer Centre said they have made a biological breakthrough helping explain how lymphatic vessels – key to the transmission of tumours throughout the body —…

NASA kills Mars deal with Europe

WASHINGTON — The United States will scale back Mars exploration under a proposed budget by President Barack Obama released Monday that has some scientists fuming over the risk of a NASA brain-drain. The plan kills a deal between the US and European space agencies to cooperate on Mars robotic rover…

‘Big Bang’ probe reveals strange microwave haze in the center of the galaxy

PARIS — A probe designed to delve into the “Big Bang” that created the cosmos has uncovered an enigmatic fog of microwave radiation in the centre of our galaxy, European astronomers reported on Monday. Planck, a billion-dollar European space telescope launched in May 2009, found “a mysterious haze of microwaves…

Climate change cited as shark attacks ‘double’

Sharks killed twice as many swimmers and surfers last year than in 2010, with the increase due largely to a growth in tourism and changing shark patterns due to global warming. There were 12 deaths in 46 shark attacks in 2011, a mortality rate of more than 25 percent compared to an average…

Botox developer rues missing out on billions

Botox developer Alan Scott says he rues the day he handed over rights to the best-selling wrinkle-smoothing drug to a US company for just $4.5 million, saying he might have become a billionaire. Botox has become a front-line weapon in cosmetic medicine for erasing wrinkles — while therapeutic applications of…

Europe’s new space rocket Vega makes first flight

A lightweight rocket aimed at securing Europe a stake in the market to launch small satellites lifted off from Kourou space base on itsmaiden flight on Monday. Vega, whose development has cost more than a billion dollars, raced into the sky from the launch site in French Guiana in a streak of light, carrying a…

New study casts doubt on lung cancer treatment

NEW YORK (Reuters Health) – A controversial radiation treatment for patients who’ve had lung cancer surgery may not help elderly people live longer, U.S. researchers have found. Postoperative radiotherapy, or PORT, is thought to cut the chances that a tumor will return. But it can damage the heart and lungs,…

With no firm science, sleep standards are slipping

NEW YORK (Reuters Health) – Kids never got enough shuteye, even back in grandpa’s day. That’s according to a century’s worth of expert advice and sleep studies, which a team of researchers has now distilled into a brief report in the journal Pediatrics. “There is a common belief that children…

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