Phenomenon may have had evolutionary advantages
(NEWSER) - As you're sitting at your computer reading this story, you'll probably find yourself scratching random parts of your body. That's because itchiness can be contagious, as scientists recently proved for the first time. You've probably been aware of the phenomenon for a while—as with yawning, seeing someone else scratch an itch can make you feel itchy. In a new experiment, volunteers were more likely to scratch themselves while watching a video of someone else scratching, the Telegraph reports. More»
