Identifying deception is something humans have attempted to do for centuries. Initial techniques, such as facial expression interpretation, were developed without technology. Later, simple technologies, such as the polygraph, were designed to detect physiological changes consistent with the autonomic arousal that often accompanies the act of lying. More recently, a powerful technique, functional magnetic resonance imaging (fMRI), has gained popularity as a potential lie detector and is sometimes used commercially for this purpose.
“No sex during training!” This may sound familiar to those of you in competitive sports and even more so for professional fighters. A recent study may help us to better establish the link between previous experiences, in this case, a woman’s touch, and how they can influence our potential for aggressive behavior.
Thanks to the progress of medicine, these days we live much longer than just few decades ago. However, we don’t become healthier as we age. In the rapidly aging population, the problem of dementia is becoming particularly acute.
Human exploration has long been concerned with travelling outward as far as possible — the edge of the continent, around the world, outside the solar system. But a new frontier is about to explored in a big way: the human brain.