Science notes: Bacteria found under the ice of Antarctica

February 09, 2013, 04:19 PM

For the first time, scientists report, they have found bacteria living in the cold and dark deep under the Antarctic ice, a discovery that might advance knowledge of how life could survive on other planets or moons and that offers the first glimpse of a vast ecosystem of microscopic life in underground lakes in Antarctica.

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Close encounter with asteroid to spare Earth

February 07, 2013, 06:36 PM

An asteroid half the size of a football field will dart near Earth next week, putting on a show for skygazers in Eastern Europe, Asia and Australia.

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Closest Earth-like planet is just a 'stroll across park'

By MARCIA DUNN February 06, 2013, 02:06 PM

Earth-like worlds may be closer and more plentiful than anyone imagined.

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Scientists try to see how high the oceans can go from warming

By JUSTIN GILLIS February 02, 2013, 06:10 PM

Experts worldwide are gathering measurements to try to use historical markers to solve a vexing scientific problem: What's the limit on how much the ocean is capable of rising if temperatures increase as much as expected in this century?

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Kitty cat's a relentless predator

February 02, 2013, 05:44 PM

For all the adorable images of cats that play the piano, flush the toilet, mew melodiously and find their way back home over hundreds of miles, scientists have identified a shocking new truth: Cats are far deadlier than anyone had realized.

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Sky-high bacteria could spread illnesses, scientists say

February 02, 2013, 04:11 PM

Scientists have found a world of bacteria and fungi floating about 30,000 feet above Earth.

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Prof's vision: One big wired planet

By ROY WENZL January 26, 2013, 05:24 PM

Students and tech industry team up to plan for a world driven by sensors connecting all people, places and things.

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Science briefs: Rise in optional mastectomies

January 26, 2013, 04:29 PM

In the 1970s, women's health advocates were highly suspicious of mastectomies. They argued that surgeons -- in those days, pretty much an all-male club -- were far too quick to remove a breast after a diagnosis of cancer, with disfiguring results.

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Ancient dogs, new trick: Carbs

By ROSIE MESTEL January 24, 2013, 10:40 PM

Geneticists found dogs evolved to break down starch more efficiently than wolves can.

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Cosmic optical illusion? It's a matter of degree

By BLAINE FRIEDLANDER January 20, 2013, 07:56 PM

Don't believe your eyes: Jupiter and the moon will look like they're next to each other tonight - a conjunction that won't recur until 2026, scientists say.

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Flu vaccine is safe for pregnant women, large study confirms

January 19, 2013, 04:02 PM

While everyone is being urged to get the flu vaccine as soon as possible, some pregnant women avoid it in the belief that it may harm their babies. A large new study confirms that they should be much more afraid of the flu than the vaccine.

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'Little Emperors' of China live up to name: They're selfish, lazy

By MELISSA HEALY January 19, 2013, 04:01 PM

Study found that children born under one-child policy are less conscientious and less likely to cooperate.

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The search for signs of life under Antarctica

By JAMES GORMAN January 19, 2013, 01:46 PM

One of the projects, a British effort, ran into technical trouble and had to be called off for this season. An expedition from Russia will be returning samples to be analyzed later.

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Lost since 13th century, has the city of Myra been found in Turkey?

By JENNIFER PINKOWSKI January 12, 2013, 05:46 PM

Remains of this Christian capital suggest the ancient Turkish city could be largely intact underground.

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One-way trips to Mars on horizon

By PATRICK KEVIN DAY January 12, 2013, 05:20 PM

A Dutch company will start taking applications soon for a 2022 blastoff to the Red Planet.

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Briefs: Study hints at test for ovarian cancer

January 12, 2013, 05:17 PM

For years, doctors have lamented that there's no Pap test for deadly ovarian cancer. Last week, scientists reported a tantalizing hint that one day, there might be.

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Does sugar-free gum with xylitol prevent cavities?

January 12, 2013, 05:09 PM

Cleans and protects teeth. Helps prevent cavities. So say popular brands of sugar-free gum. But do their claims stand up to scrutiny? Many brands contain xylitol, a natural sweetener known to fight cavity-causing bacteria. But it's not clear that xylitol has much impact. Some research suggests that while sugar-free gum does prevent cavities, xylitol per se is not responsible. One new study, published this month in the Journal of the American Dental Association, tracked 691 adults for three years. The subjects were randomly assigned to groups consuming xylitol lozenges five times a day or a placebo. Those who received the xylitol had no statistically significant reduction in cavities. NEW YORK TIMES

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Giant squid filmed in ocean depths for 1st time

By MALCOLM FOSTER January 09, 2013, 07:14 PM

After a hundred dives deep into the Pacific, scientists and broadcasters say they have captured video images of a giant squid in its natural habitat deep in the ocean for the first time.

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2 billion-year-old Martian rock hurled to Earth offers close-up

By AMINA KHANLos Angeles Times January 05, 2013, 04:02 PM

Scientists have identified the first meteorite to originate from the surface of Mars, a 2.1 billion-year-old specimen that contains about 10 times more water than any other space rock from Mars.

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Health notes: Smoking more deadly than HIV

January 05, 2013, 03:53 PM

HIV patients who obtain good treatment but who smoke lose more years of life to tobacco than to the virus, a Danish study has found.

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