nation
Kitty cat's a relentless predator
February 02, 2013, 05:44 PMFor 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.
Sky-high bacteria could spread illnesses, scientists say
February 02, 2013, 04:11 PMScientists have found a world of bacteria and fungi floating about 30,000 feet above Earth.
Prof's vision: One big wired planet
By ROY WENZL January 26, 2013, 05:24 PMStudents and tech industry team up to plan for a world driven by sensors connecting all people, places and things.
Science briefs: Rise in optional mastectomies
January 26, 2013, 04:29 PMIn 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.
Ancient dogs, new trick: Carbs
By ROSIE MESTEL January 24, 2013, 10:40 PMGeneticists found dogs evolved to break down starch more efficiently than wolves can.
Cosmic optical illusion? It's a matter of degree
By BLAINE FRIEDLANDER January 20, 2013, 07:56 PMDon'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.
Flu vaccine is safe for pregnant women, large study confirms
January 19, 2013, 04:02 PMWhile 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.
'Little Emperors' of China live up to name: They're selfish, lazy
By MELISSA HEALY January 19, 2013, 04:01 PMStudy found that children born under one-child policy are less conscientious and less likely to cooperate.
The search for signs of life under Antarctica
By JAMES GORMAN January 19, 2013, 01:46 PMOne 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.
Lost since 13th century, has the city of Myra been found in Turkey?
By JENNIFER PINKOWSKI January 12, 2013, 05:46 PMRemains of this Christian capital suggest the ancient Turkish city could be largely intact underground.
One-way trips to Mars on horizon
By PATRICK KEVIN DAY January 12, 2013, 05:20 PMA Dutch company will start taking applications soon for a 2022 blastoff to the Red Planet.
Briefs: Study hints at test for ovarian cancer
January 12, 2013, 05:17 PMFor 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.
Does sugar-free gum with xylitol prevent cavities?
January 12, 2013, 05:09 PMCleans 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
Giant squid filmed in ocean depths for 1st time
By MALCOLM FOSTER January 09, 2013, 07:14 PMAfter 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.
2 billion-year-old Martian rock hurled to Earth offers close-up
By AMINA KHANLos Angeles Times January 05, 2013, 04:02 PMScientists 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.
Health notes: Smoking more deadly than HIV
January 05, 2013, 03:53 PMHIV patients who obtain good treatment but who smoke lose more years of life to tobacco than to the virus, a Danish study has found.
Are you a thrill seeker? You might live longer
By PAT BRENNAN January 04, 2013, 11:44 PMA gene variant that may predispose some to have vigorous lifestyles found more frequently among old.
Hubble shines a light on the universe's first stars
By YUDHIJIT BHATTACHARJEE December 29, 2012, 04:42 PMLike a ship approaching a distant beacon, astronomers are getting closer and closer to the cosmic dawn, the time in the universe's history when the first stars formed.
Science notes: Gene could become 'biological pacemaker'
December 29, 2012, 04:36 PMA single gene, inserted into the apex of the heart, can convert normal cardiac muscle cells into those that control its electrical function, a study found.
Science notes: Sugar might reduce babies' vaccine pain
December 22, 2012, 04:01 PMGiving a bit of sugar to a baby about to get a shot might reduce the pain, a large review of studies suggests.
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