Found: 3.4 Billion-Year-Old Fossils Of Sulfur-Metabolizing Microbes
The fossils of 3.4-billion-year-old microbes that used sulfur compounds for energy have been found in rocks from Western Australia, reports a paper published in Nature Geoscience.
Nerve disease cell repair 'flaw'
A breakdown of a recycling system in cells appears to be the underlying cause of a fatal nerve disease.
Stanford study draws connection between narcolepsy and influenza
The onset of narcolepsy appears to follow seasonal patterns of H1N1 and other upper airway infections, according to a new study of patients in China that was led by Stanford University School of Medicine narcolepsy expert Emmanuel Mignot, MD.
Saffron shows promise in preventing liver cancer
Spice promotes apoptosis and inhibits growth of cancerous cells in animal models
Stanford researchers identify possible trigger point of epileptic seizures
Researchers at the Stanford University School of Medicine have identified a brain-circuit defect that triggers absence seizures, the most common form of childhood epilepsy.
The ignored virus that causes liver cancer
Should we be screening blood for hepatitis G?
Not so fast -- researchers find that lasting evolutionary change takes about 1 million years
In research that will help address a long-running debate and apparent contradiction between short- and long-term evolutionary change, scientists have discovered that although evolution is a constant and sometimes rapid process, the changes that hit and stick tend to take a long time.
17 percent of cancer nurses unintentionally exposed to chemotherapy, study finds
Nearly 17 percent of nurses who work in outpatient chemotherapy infusion centers reported being exposed on their skin or eyes to the toxic drugs they deliver, according to a new study from the University of Michigan Comprehensive Cancer Center.
Has Earth Brand™ Life Seeded the Galaxy?
Despite the fact that, for now, the panspermia mechanism is purely hypothetical, there's lots of fun ideas about how life may hop from planet-to-planet.
Homo erectus was first master of the kitchen: study
The first ancestor of modern humans to have mastered the art of cooking was likely homo erectus, which evolved around 1.9 million years ago, according to a US study published Monday.
Diastolic dysfunction appears to worsen over time; associated with increased risk of heart failure
Left ventricular diastolic dysfunction is highly prevalent, tends to worsen over time, and is associated with advancing age
Nickel nanoparticles may contribute to lung cancer
New research by an finds that nanoparticles of nickel activate a cellular pathway that contributes to cancer in human lung cells.
Filling without drilling
Researchers at the University of Leeds have discovered a pain-free way of tackling dental decay that reverses the damage of acid attack and re-builds teeth as new.
Coriander oil could tackle food poisoning and drug-resistant infections
Coriander oil has been shown to be toxic to a broad range of harmful bacteria.
Study finds shifting domestic roles for men who lost jobs in current recession
The acute economic downturn that began in 2008 sometimes is called the "mancession" to reflect its harsher impact on men than women.
Early forests tamed wild rivers
The evolution and spread of trees stabilised river banks and changed landscapes around the world forever, geologists say.
Briefing: Security fears over laser-enriched uranium
It's pretty hard to disguise the fact you are enriching uranium, whether for use in nuclear power stations or bombs. Now a method that uses lasers to complete the process could make it more efficient - and easier to hide.
Space entrepreneurs may hold fate of ISS
The raft of commercial space firms now vying to put their stamp on the final frontier could have a big say in how long the station is kept in orbit
Anger Gives You a Creative Boost
A bit of fury helps you think outside of the box
Malaria Gets the Foil-in-a-Microwave Treatment
What wacky idea has the Bill and Melinda Gates Foundation put $1 million into now? A plan to treat malaria by sticking the patient into a microwave.
Coolest brown dwarf discovered
The coolest stars in the galaxy have finally come out of hiding.
Surgeons may be adapting to 'safe' X-ray doses
Hospital workers exposed regularly to "safe" levels of X-rays have experienced changes at the cellular level that might prove beneficial.
Researchers uncover source of Haitian cholera outbreak
Researchers have pinpointed the source of a cholera outbreak in Haiti that killed more than 6,000 people and sickened 300,000.
Asleep at the wheel: Investigating sleep deprivation's effect on cognition
The next time you choose to pull an all-nighter, cramming for a test or preparing for a work presentation, think again - you're likely damaging the exact neurological systems you hope to utilize for success.
Hospitals Beating Deadline for Treating Heart Attacks
In a spectacular turnabout, hospitals are treating almost all major heart attack patients within the recommended 90 minutes of arrival, a new study finds.
Saudi Arabia discovers 9,000 year-old civilization
Saudi Arabia is excavating a new archeological site that will show horses were domesticated 9,000 years ago in the Arabian peninsula, the country's antiquities expert said Wednesday.
Climate cycles are driving wars, says study
When El Nino warmth hits, tropical conflicts double
Discovery of a 160-million-year-old fossil represents a new milestone in early mammal evolution
A remarkably well-preserved fossil discovered in northeast China provides new information about the earliest ancestors of most of today's mammal species - the placental mammals.
Commonly prescribed antibiotic reduces acute COPD attacks
Adding a common antibiotic for chronic obstructive pulmonary disease (COPD) can reduce the occurrence of acute exacerbations and improve quality of life
Undernutrition in childhood, adolescence or young adulthood increases risk of heart disease later
A study of women who were children, teenagers or young adults during the Dutch famine in 1944-45 has shown that undernutrition, particularly in the adolescent years, is associated with an increased risk of coronary heart Study links low DHA levels to suicide risk among U.S. military personnel
A new study suggests that low levels of the highly unsaturated omega-3 essential fattyacids, in particular DHA, may be associated with increased risk of suicide.
Vitamin A supplements for children could save 600,000 lives a year
Children in low and middle income countries should be given vitamin A supplements to prevent death and illness, concludes a study published on bmj.com today.
Canoodling with cavemen gave healthy boost to human genome, Stanford study finds
For a few years now, scientists have known that humans and their evolutionary cousins had some casual flings, but now it appears that these liaisons led to a more meaningful relationship.
Discovery explains why influenza B virus exclusively infects humans; opens door for drug development
Rutgers, University of Texas at Austin researchers determine 3-D structure of site on influenza B virus protein that suppresses human defenses to infection
Single vaccines to protect against both rabies and Ebola
Partnering with the NIH, Thomas Jefferson University successfully tests a vaccine in mice that could lead to a more effective public health tool in Africa
The malaria mosquito is disappearing -- but it is not just good news
The incidence of malaria in many African countries south of the Sahara is falling rapidly.
Cloud Formation May Be Linked to Cosmic Rays
Experiment probes connection between climate change and radiation bombarding the atmosphere.
Earth-bound asteroids come from stony asteroids, new studies confirm
Researchers got their first up-close look at dust from the surface of a small, stony asteroid after the Hayabusa spacecraft scooped some up and brought it back to Earth.
Herbal abortion helps African women
Researchers at the Faculty of Pharmaceutical Sciences, University of Copenhagen, have examined a number of plants which are used for illegal abortions in Tanzania.
People are biased against creative ideas, studies find
The next time your great idea at work elicits silence or eye rolls, you might just pity those co-workers. Fresh research indicates they don't even know what a creative idea looks like and that creativity, hailed as a positive change agent, actually makes people squirm.
Drawing and doodling can help you learn science: study
According to a new study students should be encouraged to use freehand drawings in science class because it will help them learn more quickly.
Ask 3 questions, patients urged
Asking three simple questions could help patients have more say and better understand their treatment options, according to University research.
Japan Aims to Halve Radiation in Affected Areas in 2 Years
Japan aims to halve radiation over two years in places contaminated by the Fukushima nuclear crisis, removing soil, plants and trees as well as cleaning roofs of buildings in an area spanning thousands of square kilometers.
Apixaban superior to warfarin for preventing stroke, reducing bleeding and saving lives
A large-scale trial finds that apixaban, a new anticoagulant drug, is superior to the standard drug warfarin for preventing stroke and systemic embolism in patients with atrial fibrillation.
Research from Everest: Can leucine help burn fat and spare muscle tissue during exercise?
Research on Mt. Everest climbers is adding to the evidence that an amino acid called leucine - found in foods, dietary supplements, energy bars and other products - may help people burn fat during periods of food restriction, such as climbing at high altitude, while keeping their muscle tissue.
Scientists develop sutureless method for joining blood vessels
Researchers at the Stanford University School of Medicine developed a sutureless method that appears to be a faster, safer and easier alternative