Add Yahoo as a preferred source to see more of our stories on Google. When I walk into my laboratory on weekday mornings, it is not unusual to hear uncontrollable shrieks of glee or fits of giggles.

What has opposable thumbs and is the most dexterous tool on the planet? The human hand, obviously. Well … not anymore. At least according to engineers at École Polytechnique Fédérale de Lausanne’s ...