Science News

After a powerful 8.2-magnitude earthquake shook the northern coast of Chile Tuesday night, the region prepared for a possibly dangerous tsunami, the Associated Press reported. Authorities ordered evacuation of coastal ar...

A new study poses an explanation to why zebras have black-and-white stripes on their bodies. Wikimedia Commons The great mystery of why zebras have their stripes has been solved, a new study claims.

Sliding speed and ice temperature affect the surface friction of ice more than had previously been thought. The thermodynamic model developed by VTT Technical Research Centre of Finland research scientists shows that und...

Ophthalmologists should be prepared for life-threatening reactions during retinopathy of prematurity screening, new research suggests. "Cardiopulmonary arrest can occur from just instillation of eyedrops in a premature i...

Young adults who run or participate in other cardio fitness activities may preserve their memory and thinking skills in middle age, according to a new study. Middle age was defined as ages 43 to 55 in this study. "These ...

Despite high rates of contraceptive use, unwanted pregnancies resulting in terminations remain high among young women. In a new article, researchers examine the paradox of high rates of contraceptive use, over-the-counte...

Frail elderly people living in residential care facilities are at increased risk of severe illness or death from outbreaks of viral gastroenteritis. "Notification of outbreaks to public health units should occur within 2...

An Institute of Medicine committee has issued a report with ethics principles and guidelines to aid NASA in decision-making for longer, higher risk human spaceflights. Such missions, including extended stays on the Inter...

A new biomarker linked to better outcomes of patients with head and neck cancers and non-small cell lung cancer has been identified by researchers. The work could help scientists develop new diagnostics and therapies and...

In the United States the rate of circumcision in men has increased to 81% over the past decade. In an important new study, authors have shown that the benefits of infant male circumcision to health exceed the risks by ov...

Findings of a new study provide a direct proof for a new therapy and provide hope for the people with pancreatic cancer. Pancreatic cancer rates in the U.S. have been rising over the past decade, and the disease takes a ...

Patients have substantial physical impairments even two years after being discharged from the hospital after a stay in an intensive care unit (ICU), new research suggests. The scientists found that for every day of bed r...

The molecular details of how zinc, an essential trace element of human metabolism, interacts with the enzyme caspase-3, which is central to apoptosis or cell death, have been elucidated in a new study led by researchers....

Smokers turn to e-cigarettes to ease nicotine withdrawal, or to avoid harmful chemicals in tobacco smoke. But many use e-cigarettes in public spaces and regular cigarettes everywhere else. Quitting half-way won't help. A...

Lyme disease, if not treated promptly with antibiotics, can become a lingering problem for those infected. But a new study led by researchers from the University of Pennsylvania has some brighter news: Once infected with...

Certain errors in visual perception in people with schizophrenia are consistent with interference or 'noise' in a brain signal known as a corollary discharge, a new study shows. Schizophrenia is a disorder that interfere...

To determine whether new medicines are safe and effective for humans, researchers must first test them in animals, which is costly and time-consuming, as well as ethically challenging. Scientists now report that they've ...

Improved thinking. Decreased appetite. Lowered blood pressure. The potential health benefits of dark chocolate keep piling up, and scientists are now homing in on what ingredients in chocolate might help prevent obesity,...

Infants show unique physiological and behavioral responses to pleasant touch, which may help to cement the bonds between child and parent and promote early social and physiological development, according to research. Acc...

Pathological complete response after neoadjuvant chemotherapy is an independent predictive factor of favorable clinical outcomes in all molecular subtypes of breast cancer, a new trial demonstrates.

Researchers discovered that microscopic "bubbles" are safe and effective storage lockers for harmful isotopes that emit ionizing radiation for treating tumors. The findings can benefit patient health and advance radiatio...

From 1997 to 2010, despite promises made by the international scientific community, pharmacogenomic research produced few studies focusing on rare, orphan and tropical diseases prevalent in developing countries. Pharmcog...