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Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries in astronomy, anthropology, biology, chemistry, climate & environment, computers, en

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A research team has shown for the first time that a gene called Myc, which is traditionally thought of as a cancer-causing gene, may be far more important in the development and persistence of stem cells than was known before. - [Read more]

Thousands of people who are partially sighted following stroke or brain injury could gain greater independence from a simple, cheap and accessible training course which could eventually be delivered from their mobile phones or hand-held games consoles, according to a new study. - [Read more]

More people are likely to believe scientific studies claiming that oil drilling is riskier, not safer, than was previously thought, according to a new study of attitudes in California. Whats more the findings show that scientists efforts to influence public opinion have a limited effect. - [Read more]

School children who consume foods purchased in vending machines are more likely to develop poor diet quality -- and that may be associated with being overweight, obese or at risk for chronic health problems such as diabetes and coronary artery disease, according to new research. - [Read more]

To watch a magician transform a vase of flowers into a rabbit, its best to have a front-row seat. Likewise, for chemical transformations in solution, the best view belongs to the molecular spectators closest to the action. Those special molecules comprise the "first solvation shell," and although it has been known for decades that they can sense and dictate the fate of nearly every chemical reaction, it has been virtually impossible to watch them respond -- until now. - [Read more]

Protecting helicopters in combat from heat-seeking missiles is the goal of new laser technology. - [Read more]

Individuals are more likely to acquire new health practices while living in networks with dense clusters of connections -- that is, when in close contact with people they already know well. - [Read more]

Researchers have found two genes in mice which might help identify why some people are more susceptible than others to potentially deadly staph infections. - [Read more]

Cigarette smoke shuts off a key enzyme in airways that regulates the bodys response to inflammation, according to new findings. Researchers say smoke inhibits the enzyme, called Leukotriene A4 Hydrolase (LTA4H), causing it to fail in its job of shutting down white blood cells following a successful response to inflammation. - [Read more]

Scientists are using atomic force microscopy to record sounds emanating from inside living insects like flies, mosquitoes and ladybugs. - [Read more]

Kidney transplants that show a combination of fibrosis (scarring) and inflammation after one year are at higher risk of long-term transplant failure, according to a new study. - [Read more]

Millions of patients with advanced disease in palliative care settings receive oxygen therapy to help them breathe more easily. But a new study says roughly half of them dont benefit from the intervention, and among those who do benefit, it doesnt make a bit of difference whether they get pure oxygen or just plain old room air -- both offer equal benefit. - [Read more]

When given a choice, organisms will choose a diet that maintains a nutritional balance in tune with their needs. That choice, studied in fruit flies for the first time, is regulated by activity in a molecular pathway involved in aging, cancer and diabetes. Humans share the same molecular pathway. The study, the first to be done in a genetically tractable lab animal, could lead to treatments that would "reboot" metabolic pathways in individuals who are obese or suffer from diabetes. - [Read more]

People who take oral bisphosphonates for bone disease over five years may be doubling their risk of developing esophageal cancer (cancer of the gullet), according to a new study. - [Read more]

Some female zebra finches foist a part of their eggs on their neighbors. Scientists in Germany have discovered that in every fifth nest there is one egg that is not produced by its social parents. The female birds act in a very well-targeted way: eggs are being placed in “foster-care” shortly before the hosts commence their own egg laying. - [Read more]

Various processes in our body are controlled by subsequent changes of proteins. Therefore, the identification of such modifications is essential for the further exploration of the human organism. Now, scientists in Germany have made a crucial contribution to this: Using a new method, they have been able to identify more than 6,000 glycosylated protein sites in different tissues and have thus established an important basis for the better understanding of all life processes. - [Read more]

Fishermen in southwestern Nova Scotia secured their boats as best they could Thursday as hurricane Earl continued its march towards Atlantic Canada.

Although some reports have suggested a link between the use of oral bisphosphonates (drugs that prevent the loss of bone mass) and esophageal cancer, analysis of medical data from more than 80,000 patients in the United Kingdom found that use of these drugs was not significantly associated with new cases of esophageal or gastric cancer, according to a new study. - [Read more]

A new study -- using high speed video and feathers bought on eBay -- shows that when the male snipe sticks out his outer tail feathers, they flutter like flags in the wind, producing a highly seductive drumming sound. The winged Lothario also dives to increase the speed and therefore raise the pitch of the call in a bid to impress the female of the species. - [Read more]

The last ferry left for the mainland and coastal residents hunkered down at home as Hurricane Earl closed in with 115 mph winds Thursday on North Carolinas dangerously exposed Outer Banks, the first and potentially most destructive stop on the storms projected journey up the Eastern Seaboard.

Earth today is one of the most active planets in the Solar System, and was probably even more so during the early stages of its life. Thanks to the plate tectonics that continue to shape our planets surface, remnants of crust from Earths formative years are rare, but not impossible to find. A new paper examines how some ancient rocks have resisted being recycled into Earths convecting interior. - [Read more]

Researchers have developed a new class of electronic logic device in which current is switched by an electric field generated by the application of mechanical strain to zinc oxide nanowires. - [Read more]

A two-story Comfort Inn has become a makeshift hurricane hostel on North Carolinas Outer Banks for those who want to stay close to their homes but know they need better shelter from the outslaught of Earl.

A few pennies increase in the price of a loaf of bread can mean the difference between getting by and going hungry -- and erupting in anger -- in the worlds poorest countries.

Prompted by the Deepwater Horizon oil spill, a scientist has come up with a new way of predicting how contaminants like oil will spread. He was able to forecast several days in advance that oil from that spill would wash ashore in particular parts of the Gulf of Mexico. - [Read more]

With the projected path of Hurricane Earl moving closer to Nantucket, island officials are recommending that people stay off the beaches, move their boats and close shutters.

The data monitoring committee of the AVERROES study, seeing overwhelming evidence of the success of apixaban in the prevention of stroke in patients with atrial fibrillation who are unsuitable for the conventional treatment of warfarin, has recommended early termination of this study. The decision came after repeated review and careful consideration of all efficacy and safety data. - [Read more]

A new smartphone chip prototype under development will improve smartphone efficiency by making use of "dark silicon" -- the underused transistors in modern microprocessors. - [Read more]

Using a diamond-anvil cell to recreate the high pressures deep within the earth, researchers have found unusual properties in an iron-rich magnesium- and iron-oxide mineral that may explain the existence of several ultra-low velocity zones at the core--mantle boundary. - [Read more]

New research shows that the "gateway effect" of marijuana -- that teenagers who use marijuana are more likely to move on to harder illicit drugs as young adults -- may be overblown. - [Read more]

Details on what to do to keep your family safe if youre in the path of Hurricane Earl.

Hurricane Earl is a powerful Category 3 storm packing 125-mph winds, and coastal residents in its path need to take action now, FEMA Administrator ...

A study of triathletes reveals that the heart adapts to triathlon training by working more efficiently. - [Read more]

A researcher in Israel has developed an improved tool for translating lizard body lengths to weights. The new equations calculate this valuable morphological feature to estimate the weight of a lizard species in a variety of different ecosystems. - [Read more]

The aluminum content of a range of the most popular brands of infant formulas remains high, researchers in the UK have found. - [Read more]

Retailers are reporting surprisingly solid gains for August even as unusually hot weather and job worries kept a lid on back-to-school buying.

Hurricane Earl is forecast to rapidly approach the East Coast on Thursday, bringing unsettled weather to the North Carolina coast.

A molecular test designed to easily diagnose tuberculosis (TB) and detect a drug-resistant form of the bacterium that causes TB can provide much more specific, sensitive and rapid results than currently available TB diagnostics, according to a new study. - [Read more]

The terrorist attacks of September 11, 2001, have been called the defining moment of our time. Thousands of people died and the attacks had huge individual and collective consequences. But less is known about the immediate emotional reactions to the attacks. For a new study, researchers analyzed text messages sent on September 11, 2001 for emotional words. They found spiking anxiety and steadily increasing anger through that fateful day. - [Read more]

In this July 18, 2010 file photo, a man sunbathes on a beach in Tokyo as the temperature went up to 33 degrees Celsius on the weekend.