Serotonin is a major signaling chemical in the brain, and it has long been thought to be involved in aggressive behavior in a wide variety of animals as well as in humans. Another brain chemical…

A new study says targeting smaller (¡Ü5 mm) lesions does little to significantly reduce the incidence of colorectal cancer (CRC) and, in fact, results in extremely high financial costs and a large…

Mayo Clinic researchers, along with collaborators from the National Institutes of Health (NIH) and University of Oslo, Norway, have discovered that a miscue of the body’s genetic repair system may…

We just ran a quiz race in Second Life for the second time yesterday in my organic chemistry class. Two of the students were physically with me in the classroom and two were coming in remotely.…

The most recent census of mountain gorillas in Uganda’s Bwindi Impenetrable National Park—one of only two places in the world where the rare gorillas exist—has found that the population has…

Adolescents who are chronically exposed to family turmoil, violence, noise, poor housing or other chronic risk factors show more stress-induced physiological strain on their organs and tissues than…

Runners in today's London Marathon may be tempted to down several litres of water to keep their cool and achieve their best time, but large fluid intake does not achieve either, according to a…

The plain truth is, if you want an impartial analysis of beer, you can't ask a beer drinker. They just can't give you a scientific opinion because they care too much. It's like asking me to choose…

In this week's episode we explore the recent research that has established, contrary to long-standing dogma, that our brains our able to change throughout our lives, based on our experience. Show…

Scientists are questioning whether peer review, the internationally accepted form of scientific critique, is able to meet the challenges posed by the rapid changes in the research landscape. A…