Women's brains appear to be three years younger than men's of the same age, according to a new study on brain metabolism. The findings could explain why women maintain their cognitive skills..

Public health officials have blamed the shift from prescription opioids to injectable heroin as a cause of the rise in hepatitis C cases. A new study provides the best evidence to date that reformulat..

Researchers have found a way to turn a 'left-handed' molecule into a 'right-handed' one — a process that could have important implications for drug development.

New method for alleviating the effects of ''noise'' in quantum information systems addresses a challenge that scientists around the globe are working to meet in the race toward a n..

Neuroscientists have discovered a focal pathway in the brain that when electrically stimulated causes immediate laughter, followed by a sense of calm and happiness, even during awake brain surgery. Th..

Like iron flowing through the blood stream, iron minerals course through the ground. These minerals are used to make steel and other metal alloys used in everything from cell phone components and cars..

Medical researchers have found that the CD4 surface protein, which is used by HIV and SIV as the receptor to enter immune cells, is highly variable among wild chimpanzees. Understanding how these viru..

Heat waves can reduce the body's immune response to flu, according to new research. The results have implications for how climate change may affect the future of vaccinations and nutrition. Resea..

Twenty-five years into a 100-year federal strategy to protect older forests in the Pacific Northwest, forest losses to wildfire are up and declines in bird populations have not been reversed, new rese..

Investment in research is at an all-time high, yet the rate of scientific breakthroughs isn't setting any records. To resolve this quandary, scientists are turning to artificial intelligence and ..