The U.S. Food and Drug Administration (FDA) today allowed marketing of the DEKA Arm System, the first prosthetic arm that can perform multiple, simultaneous powered movements controlled by electrical…

PHILADELPHIA — Young adults who smoked water pipes in hookah bars had elevated levels of nicotine, cotinine, tobacco-related cancer-causing agents, and volatile organic compounds (VOC) in their urine…

Massachusetts General Hospital (MGH) investigators have developed a transgenic mouse that synthesizes both the omega-3 and omega-6 essential fatty acids within its tissues on a diet of carbohydrates…

To quote the American cartoonist Gary Larson: all things play a role in nature, even the lowly worm—but perhaps never in such a visually stunning way as that presented in two papers published today…

The metronome seems such a simple thing, just a machine that goes tick tick, and you then play in time with it. So, why is it that beginner musicians often have so much difficulty keeping in time…

John R. Block, U.S. secretary of agriculture from 1981 to 1986, knows a thing or two about food. And he doesn't like the "black marketing" being done by the organic industry to imply nonexistent…

John R. Block, U.S. secretary of agriculture from 1981 to 1986, knows a thing or two about food. And he doesn't like the "black marketing" being done by the organic industry to imply nonexistent…

Organisms inherit their mitochondria – the cell’s “power plants” – from their mothers, but what happens to all the father’s mitochondria? Why and how are paternal mitochondria prevented from getting…

"Subatomic particles act in quantum ways—they have a wave-like nature—and so can atoms, and so can whole molecules since they're collections of atoms," Schwab says. "So the question then is: Can you…

Researchers have shown for the first time in an animal that is more closely related to humans that it is possible to make new bone from stem-cell-like induced pluripotent stem cells (iPSCs) made from…

Jupiter's trademark Great Red Spot — a swirling storm feature larger than Earth — is shrinking. This downsizing, which is changing the shape of the spot from an oval into a circle, has been known…

An article in the feminist, scientific, peer-reviewed journal Psychology of Women Quarterly says that when women in developing countries own land, they are less likely to experience violence.…

Zinc is essential for optimal plant growth and development but when high levels of the metal are present in the soil, it can become toxic to the plant. Consequently, plants need to trigger mechanisms…

While American adults lead the world in science literacy, and America leads the world in science output and Nobel prizes, American students are only middle of the pack when it comes to international…

Where did the earliest Americans come from?  Speculation has pointed to Eastern Asia, Western Asia, Japan, Beringia and even Europe. Differences in cranial form between today's Native Americans…

The ancient remains of a teenage girl, researchers call her Naia, found deep in the water of a Yucatán Peninsula cave have established a definitive link between the earliest and modern Native…

Deep in the water of a Yucatán Peninsula cave, one of the oldest human skeletons found in North America has been discovered.  "Naia" is the the researchers' name for the teenage girl who went…

Since the commercialization of medical marijuana in the middle of 2009, the proportion of marijuana-positive drivers involved in fatal motor vehicle crashes in Colorado has increased…

DALLAS, May 15, 2014 — Older migraine sufferers may be more likely to have silent brain injury, according to research published in the American Heart Association’s journal Stroke. In a new study,…

Two decades ago, the inclusion of women in biomedical research was mandated by law but sex-specific research is still not the norm. As a result, many women receive recommendations from their doctors…