Common irregular heartbeat raises risk of dementia
Group Health study finds higher dementia risk with atrial fibrillation
Walking around is the simplest way to shorten hospital stay
A new study from the University of Haifa has found that walking around the ward during hospitalization significantly reduces the length of the older patient's stay.
Earth May Not Have Needed Moon for Life
New simulations show that, even without a moon, the tilt of Earth's axis would be stable enough to support life.
Tohoku tsunami created icebergs in Antarctica
A NASA scientist and her colleagues were able to observe for the first time the power of an earthquake and tsunami to break off large icebergs a hemisphere away.
Deep brain stimulation effects may last for 10 years in patients with Parkinson's disease
One decade after receiving implants that stimulate areas of their brains, patients with Parkinson's disease (PD) appear to sustain improvement in motor function
Chimpanzees are spontaneously generous after all
New study challenges previous findings that humans are an altruistic anomaly, and positions chimpanzees as cooperative, especially when their partners are patient
Antibodies Linked to Long-term Lyme Symptoms
Researchers find molecules that might mark elusive syndrome.
Roman dead baby 'brothel' mystery deepens
New research has cast doubt on the theory that 97 infants were killed at a Roman brothel in Buckinghamshire.
UCLA stem cell scientists uncover for the first time why the human heart can't regenerate itself
Study has implications for reprogramming human cardiac myocytes to replace damaged heart muscle
Famed explorer Marco Polo 'never reached China' and picked up tales of the Orient from others, Italians claim
Marco Polo, one of history’s greatest explorers, may in fact have been a conman, it was claimed yesterday.
Penn study shows an ancient crop effective in protecting against a 21st century hazard
A diet of flaxseed shows protective effects against radiation in animal models
Can blaming others make people sick?
Concordia researchers probe link between bitterness and disease
Mental abacus does away with words
Studies on a group of children trained to use a "mental abacus" suggest the technique frees mathematics from its usual dependence on language
Blood tests for active TB not accurate or cost-effective
Based on data, WHO advises against use of blood antibody test for active TB
Giant birds 'lived among the dinosaurs'
An enormous jawbone found in Kazakhstan is further evidence that giant birds roamed - or flew above - the Earth at the same time as the dinosaurs.
Daily Red Meat Raises Risk for Diabetes, Large Study Says
People who eat as little as one serving of red meat a day, whether it is processed or unprocessed, have an increased chance of getting type 2 diabetes
Tweeting Your Health Woes Could Help Fight Disease
By analyzing tweets, public health researchers can track the progression of infectious diseases
Decade-long study reveals recurring patterns of viruses in the open ocean
Santa Barbara, Calif.  Viruses fill the ocean and have a significant effect on ocean biology, specifically marine microbiology, according to a professor of biology at UC Santa Barbara and his collaborators.
Hidden soil fungus, now revealed, is in a class all its own
A type of fungus that's been lurking underground for millions of years, previously known to science only through its DNA, has been cultured, photographed, named and assigned a place on the tree of life.
Intestinal protein may have role in ADHD, other neurological disorders
A biochemical pathway long associated with diarrhea and intestinal function may provide a new therapeutic target for treating ADHD other neuropsychiatric disorders
Alien world is blacker than coal
Astronomers have discovered the darkest known exoplanet
Found: World's oldest wood – so far
Two 400-million-year-old fossil plants are the oldest known examples of wood.
Warning signs predict kidney injury after surgery
Markers may transform how kidney disease is diagnosed
Experimental drug could defeat any virus
Viruses might soon meet their kryptonite: an experimental drug that can, in theory, obliterate cells infected by any type of virus without harming healthy neighbours.
Stanford discovery may eliminate potentially lethal side effect of stem cell therapy
Like fine chefs, scientists are seemingly approaching a day when they will be able to make nearly any type of tissue from human embryonic stem cells.
Recurrence risk of autism in younger siblings higher than thought
The risk among male children is greater than 25 percent, and over 30 percent for 'multiplex' families
Virus can cause high blood pressure: Chinese study
High blood pressure could be caused by a common virus, according to a study carried out by a team of Chinese doctors which could lead to better treatment for millions of people around the world.
Researchers demonstrate green tea is effective in treating genetic disorder and types of tumors
A compound found in green tea shows great promise for the development of drugs to treat two types of tumors and a deadly congenital disease.
Researchers discover oldest evidence of nails in modern primates
From hot pink to traditional French and Lady Gaga's sophisticated designs, manicured nails have become the grammar of fashion.
More evidence that caffeine lowers risk of skin cancer
There might be a time when instead of just drinking that morning cup of coffee you lather it on your skin as a way of preventing harmful sun damage or skin cancer.
Wire robot yanks your golf game into shape
A robotic aid made from wires could pull your game into shape