Science News

In a world of satellite tracking and GPS, how do you lose a plane - and could spy satellites have seen what others didn't?     

An analysis of 100 million US medical records reveals that autism and intellectual disability rates correlate with genital malformation incidence in newborn males, an indicator exposure to harmful environmental factors. ...

Human mouths contain a balanced mix of microbes which, when disrupted, can lead to oral diseases. A new study compares the bacteria and fungi present in the mouths of healthy individuals with those from patients infected...

Joining a gang in adolescence has significant consequences in adulthood beyond criminal behavior, even after a person leaves the gang. Former gang members are more likely to be in poor health, receiving government assist...

A researcher will test whether brain stimulation combined with gait training can improve patients' ability to walk after a stroke. People 50 or older who have had a stroke will be enrolled in the study and receive gait-t...

In a new study, it was observed that in rats with kidney disease, functioning of the kidney improved when the organ was fused with the omentum, a fatty fold of tissue that lies close to the kidney and is a rich source of...

A revolutionary toilet fueled by the sun that is being developed to help some of the 2.5 billion people around the world lacking safe and sustainable sanitation will be unveiled in India this month. The self-contained, w...

A low-cost program reduced falls in the elderly by 17 percent statewide, illustrating the value and effectiveness of using existing aging services, such as senior centers, in preventing falls, study determined. The resea...

Mexican-Americans had worse neurologic, functional and cognitive outcomes 90 days after their stroke compared to non-Hispanic whites. Mexican-American stroke survivors had moderate functional disability and nearly one-th...

A husband's agreeable personality and good health appear crucial to preventing conflict among older couples who have been together a long time, according to a study. The report found that such characteristics in wives pl...

A new study in animals shows that using a compound to block the body's immune response greatly reduces disability after a stroke. The study also showed that particular immune cells -- CD4+ T-cells produce a mediator, cal...

Direct genetic evidence has been reported that a family of genes, called microRNA-34, are bona fide tumor suppressors. The researchers showed in mice how interplay between genes p53 and miR-34 jointly inhibits another ca...

A new study investigating racial disparities in birth outcomes shows that contrary to some theories, vitamin D is unlikely to play a role in differences in preterm birth and low birth weight between African-Americans and...

A set of self-assembling DNA cages one-tenth as wide as a bacterium have been created by scientists. These DNA nanostructures are some of the largest and most complex structures ever constructed solely from DNA, and they...

Every cell in our body has exactly the same DNA, yet every cell is different. The genetic code carried in our DNA provides instructions for cells to manufacture specific proteins. A second code, carried by histone protei...

Numbers and data can be critical tools in bringing complex issues into focus. The understanding of diseases, for example, benefits from algorithms that help monitor their spread. But without context, a number may be just...

Scientists have discovered a mechanism underlying sensory feedback that guides balance and limb movements. If the findings can be fully replicated in humans, they could lead to a better understanding of and treatments fo...

Chemists have devised a greatly improved technique for making amino acids not found in nature. These "unnatural" amino acids traditionally have been very difficult to synthesize, but are sought after by the pharmaceutica...

AS JOHN IOANNIDIS prepares to launch an institute intended, among other things, to combat small, statistically underpowered scientific studies (see article), just such a study has hit the headlines. The media reaction to...

Talking cures for phobias or addictions take ages to detrain your brain. What if a memory-boosting drug let you do it in a day? Jessica Hamzelou pops the pill     

Scientists draw battle lines over metal salvaged from ancient shipwrecks --

The way we secure digital transactions could soon change. An international team has demonstrated a form of quantum cryptography that can protect people doing business with others they may not know or trust -- a situation...