As South Africa reels from a major HIV/AIDS epidemic, health workers are turning to cell phone technology to get the word out about testing for the virus....

Costa Rica's Cocos Island National Park, nicknamed "Shark Island," has what might be the highest concentration of sharks anywhere. But even here, sharks are vulnerable....

Cow's emissions of methane, a greenhouse gas, can be reduced with a more natural diet, farmers are learning. Methane is a powerful contributor to global warming....

Letter: It was satisfying to see the coverage of India's Chandrayaan-1 mission to the moon

A steaming hot drink may be all it takes to see the world through rose-tinted glasses, psychologists have found.Holding a warm cup of coffee was enough to make people think strangers were more welcoming and trustworthy, while a cold drink had the opposite effect, a study found.The warmth of a drink also influenced whether people were more likely to be selfish or give to others, researchers report...

The disgraced celebrity psychiatrist Dr Raj Persaud has left his job at a leading hospital four months after being convicted of dishonesty by a disciplinary tribunal.Persaud, who has lost media commissions after admitting plagiarism at a General Medical Council hearing in June, has stepped down as a consultant psychiatrist for the South London and Maudsley NHS trust. The move follows talks with...

Drax Group, the owner of Britain's most carbon-intensive power station, is turning green with a £2bn plan to build the country's first large-scale biomass plants which burn plant-based materials.The three facilities in Hull, Immingham and probably the North Yorkshire village of Drax itself, will have the capacity to produce 900 megawatts of electricity - enough to supply 3% of the country's...

Reuters - A rare juvenile skull of a 190 million-year-old dinosaur may help explain when an important group of plant eaters branched off from carnivorous cousins, U.S. and British researchers said on...

One of China's biggest companies will today become the first state-controlled business in the country to join an international agreement to cut greenhouse gas emissions.The powerful Climate Group will announce three Chinese members, including the majority state-owned China Mobile, which has 420 million customers and is one of the country's 10 biggest companies. It is the world's biggest mobile...

(AP) -- A 6,000 year-old set of household gear, including crockery and two wood-fired ovens, has been found in the buried ruins of a prehistoric farmhouse in northern Greece, officials said Thursday.

(AP) -- Investigators think they've identified almost everyone who may have contracted the potentially deadly hepatitis C virus at two Las Vegas outpatient medical clinics, a top public health official said Thursday.

A local politician says a B.C. program that sells carbon credits to Air Canada customers is doing more harm than good when it comes to reducing greenhouse gas emissions.

It may seem unlikely, but simply clutching a warm cup of coffee can bring on a flood of warm feelings, U.S. researchers said Thursday in a finding that suggests a strong link between physical and emotional warmth.

AP - A 6,000 year-old set of household gear, including crockery and two wood-fired ovens, has been found in the buried ruins of a prehistoric farmhouse in northern Greece, officials said...

Reuters - NASA engineers have traced two glitches that shut down the orbiting Hubble space telescope and said on Thursday they rebooted one of the computers...

(AP) -- NASA is trying again to wake up the sleeping science computer on the Hubble Space Telescope. Hubble hasn't been able to take pictures since late September because its computer couldn't collect and transmit photos. NASA tried to wake up a backup system last week, but ran into new problems that shut the computer down again.

Combination of genetic engineering and drugs wipes out specific memories in mice

Holding a warm object makes people feel better about others

This is the first time a satellite has probed stars other than our Sun.

SPACE.com - The space shuttle Endeavour moved to a new launch pad Thursday to gear up for a supply run to the International Space Station next month.

Ivorians express disappointment following a trial over the dumping of hundreds of tonnes of toxic waste in 2006.

Tim Sloan)" border="0" />AFP - US officials warned Thursday of a rise in unemployment stemming from the credit crisis while France unveiled plans for a sovereign wealth fund to protect key industries from turmoil as debate raged over the cause of the global...

In a study of medical students, more serious cardiac risk estimates were given to Christians and less serious estimates for Muslims despite the patients being otherwise identical in their characteristics and symptoms, according to research in an upcoming issue of Medical Decision Making published by SAGE. Risk assessment, the first step in a medical triage process, determines subsequent treatment.

Trees in a hyper-diverse tropical rainforest interact with each other and their environment to create and maintain diversity, researchers report in the Oct. 24 issue of the journal Science. This study was conducted in the Yasuni forest dynamics plot of the Pontificia Universidad Cat¨(R)lica del Ecuador, the most diverse tropical forest site associated with the Center for Tropical Forest...