Science News

Sleep problems are associated with worse memory and executive function in older people, new research concludes. Analysis of sleep and cognitive (brain function) data from 3,968 men and 4,821 women was conducted in a stud...

A potential Achilles' heel for Salmonella has been identified by researchers: the bacteria's reliance on a single food source to remain fit in the inflamed intestine. When these wily bugs can't access this nutrient, they...

In the first pilot study asking adults on the autism spectrum about experiences with driving, researchers found significant differences in self-reported driving behaviors and perceptions of driving ability compared to no...

Antibodies and their derivatives can protect plants and animals -- including humans -- against viruses. Members of this class of drugs are usually highly specific against components of a particular virus, and mutations i...

Risk factors for chronic kidney disease (CKD) are present and identifiable 30 years before diagnosis, according to a new study. The findings suggest avenues for future research to determine whether certain early interven...

When depression co-exists with cancer, patients may be at an increased risk of death from cancer and from suicide. Antidepressants are commonly prescribed, but the evidence on their efficacy is mixed. The role of antidep...

Trained non-physician evaluators who studied retinal images transmitted to a remote central reading center successfully identified newborn babies likely to require a specialized medical evaluation for retinopathy of prem...

Small changes to kidney allocation policies in the United States could help alleviate geographic disparities related to transplantation, according to a new study. The findings suggest that local changes may be more effec...

Mental distress in people with disabilities is associated with increased prevalence of chronic illness and reduced access to health care and preventive care services, finds a new study. "It's important to find out why th...

With the continuing need for very small devices in therapeutic applications, there is a growing demand for the development of nanoparticles that can transport and deliver drugs to target cells in the human body.

Cholinergic amacrine cells create a 'personal space' in much the same way that people distance themselves from one another in an elevator, researchers have discovered. In addition, the study shows that this feature is he...

Exceptional speed prior to formal training is a prerequisite for becoming a world-class sprinter, researchers have found. The authors noted that because speed is crucial for many sports, the new results imply that talent...

More sedentary time, regardless of physical activity levels, is associated with greater risk for obesity, cardiovascular disease and mortality. However, a smartphone-based intervention can produce short-term reductions i...

In 2011, the United States Military repealed its 'don't ask, don't tell' policy that prevented gay and lesbian service members from disclosing their sexual orientation. Current estimates indicate that more than one milli...

A drug that blocks the action of the enzyme Cdk5 could substantially reduce brain damage if administered shortly after a stroke, research suggests. The development of a Cdk5 inhibitor as an acute neuroprotective therapy ...

Next summer, the DARPA Robotics Challenge will draw to a close with a $2-million final competition in Southern California.

Aereo Antenna Array Aereo Yesterday, in a 6-3 decision by the Supreme Court in ABC v. Aereo, the government ruled that Aereo's streaming of cable TV over the web is illegal. In the process, the Supreme Court majority sho...

If not used properly, contact lens can cause serious eye damage. Make up effects designers, artists from 'America Horror Story', as well as an eye doctor talk about the how to handle and acquire contacts.

Artist Patricia Olynyk explores how people sense their physical environments, and how those perceptions impact understanding.

A new report that graded the water quality of beaches across the United States found that 10 percent of the country's shores are contaminated or polluted. The report also identified 35 "superstar" beaches and 17 "repeat ...

What may be the world's oldest reef built by the earliest known skeletal animals has been discovered in Namibia. Take a photo journey through the reef, where you can see the fossilized remains of the reef-building animal...

Older adults who tech novices, but learned to use an iPad showed improvements in their thinking and memory skills, a new study finds.