Neanderthal genome shows early human interbreeding, inbreeding First high-quality genome sequence allows comparison with human, Denisovan DNA The most complete sequence to date of the Neanderthal genome, using DNA extracted from a woman's toe bone ...

Telecommunications data show civic dividing lines in major countries New study uses network data to show communication patterns and divisions in many major nations Many residents of Britain, Italy, and Belgium imagine there to be a kind of north-south divide ...

With the surgical robot, similar outcomes at a higher cost Johns Hopkins study finds robotic colon surgery just as effective as laparoscopy but more expensive In a study of national data on colon surgery, Johns Hopkins researchers found that while patients who ...

Diet rich in tomatoes may lower breast cancer risk Fruits raised levels of hormone involved in regulating blood sugar, fat Chevy Chase, MD—A tomato-rich diet may help protect at-risk postmenopausal women from breast cancer, according to new research accepted ...

Obese children have higher stress hormone levels than normal-weight peers Hair analysis found elevated cortisol concentrations in children as young as 8 Chevy Chase, MD—Obese children naturally produce higher levels of a key stress hormone than their normal ...

Foreign-educated nurses report unequal treatment in US workplace New study raises ethical and practical concerns for recruiters and health-care facilities WASHINGTON, DC (December 18, 2013)—Forty percent of foreign-educated ...

Life expectancy increases among treated HIV-positive individuals in US and Canada Life expectancy of treated HIV-positive individuals approaches that of general population A 20-year-old HIV-positive adult on antiretroviral therapy (ART) in the U.S. or Canada may ...

Bacteria to aid sutainable sugarcane production Scientists have discovered a bacterium that could reduce the use of fertiliser in sugarcane production and improve yield. Sugar is an important commodity around the world and sugarcane accounts for about 80% of production. The ...

Warfarin increases risk of stroke among atrial fibrillation patients in first 30 days of use Patients with atrial fibrillation – an irregular and often abnormally fast heartbeat – have nearly double the risk of suffering a stroke in the first 30 days after starting to take ...

Moa or less: Extinct 'robust' birds of New Zealand might not have been so robust after all Giant moa bird (Dinornis robustus, literally meaning 'robust strange bird') may not have actually had robust bones, according to new research conducted by ...

Heart disease and stroke continue to threaten US health American Heart Association Annual Statistical Update DALLAS, Dec. 18, 2013 — Heart disease and stroke remain two of the top killers of Americans and pose a significant threat to millions of others, ...

Scientists solve a decades-old mystery in the Earth's upper atmosphere New research published in the journal Nature resolves decades of scientific controversy over the origin of the extremely energetic particles known as ultra-relativistic ...

Messages sent via molecules can aid communication underground, underwater or inside the body Scientists have created a molecular communications system for the transmission of messages and data in challenging environments such as tunnels, pipelines, underwater ...

Lemur babies of older moms less likely to get hurt Finding emerges from Lemur Center's 35 years of detailed records DURHAM, N.C. -- A long-term study of aggression in lemurs finds that infants born to older mothers are less likely to get hurt than those born to younger mothers. The ...

York U molecular communication researchers send world's first text message using vodka TORONTO, Dec. 18, 2013 — After successfully text messaging 'O Canada' using evaporated vodka, two York University researchers and their UK-based counterpart say their simple system ...

Growers the big winners in Malawi's tobacco industry Study looks at social, economic and environmental impacts and trade-offs of an expanding tobacco industry Tobacco growers are the big winners, while the environment and people who have lost ...

Researchers identify genetic marker of resistance to key malaria drug Detection of drug resistance would aid public health efforts WHAT: An international team of researchers has discovered a way to identify, at a molecular ...

Mountain pikas, relatives of rabbits, survive at warm sea-level temperatures by eating mosses Mosses also may protect high-peak pikas against climate change effects In some mountain ranges, Earth's warming climate drives rabbit relatives known as pikas to higher elevations--or ...

NASA sees Tropical Cyclone Bruce develop near Cocos Island NASA's Aqua satellite flew overhead as the fourth tropical cyclone of the Southern Indian Ocean cyclone season developed today, December 18, while it was passing to the northwest of Cocos Island, Australia. The ...

Animal vaccine study yields insights that may advance HIV vaccine research A vaccine study in monkeys designed to identify measurable signs that the animals were protected from infection by SIV, the monkey version of HIV, ...

NASA catches Tropical Cyclone Amara's stretched out eye Tropical Cyclone Amara's eye appeared elongated on satellite imagery from NASA on December 18. Tropical Cyclone Amara is spinning in the Southern Indian Ocean along with Tropical Cyclone Bruce, and both share ...

Powerful ancient explosions explain new class of supernovae Study by UCSB scientist finds they likely originate from the creation of magnetars Astronomers affiliated with the Supernova Legacy Survey (SNLS) have discovered two of the brightest and ...

Long-acting reversible contraception in the context of full access, full choice 2013 statement from the Bellagio Group on LARCs NEW YORK (18 December 2013) — In November 2013 at the International Conference on Family Planning in Addis Ababa, Ethiopia, the Population ...

Total smoking bans work best With no place to puff, smokers are more likely to cut back or quit, researchers say Completely banning tobacco use inside the home – or more broadly in the whole city – measurably boosts the odds of smokers either cutting back ...

Study finds Catalina Island Conservancy contraception program effectively manages bison population Iconic species thrives with more humane and cost-effective approach to population control AVALON, CA -- The wild bison roaming ...