New study says BMI is massively understating the scope of American obesity

The Body Mass Index — a number, calculated from your height and weight, used by doctors to identify potential weight problems — is a flawed screening tool. Numerous studies have pointed to its limitations in the past, but an investigation published in PLoS ONE this April suggests that the use of BMI by physicians to… »8/22/12 3:05pm8/22/12 3:05pm

Watch this paralyzed woman control a robotic arm using only her mind

Watch this video, and witness a breakthrough in the field of brain-machine interfaces. Researchers have been improving upon BrainGate — a brain-machine interface that allows users to control an external device with their minds — for years, but what you see here is the most advanced incarnation of the implant system… »5/16/12 3:12pm5/16/12 3:12pm