A picture of a man giving the "double birds" to the president received tens of millions of social media views in February ...

The video, made by an Israeli entrepreneur, shows the celebrities wearing a shirt that echoes the swastika one Kanye West ...

Read on, or watch the video, to see the hand gestures you definitely don't want to make overseas. The 'V' sign represents peace … The 'V' sign, made by holding up the index and middle fingers ...

Brain signal control hasn’t been used to control fingers in real-time. Even in monkeys ... It didn’t fully capture the dexterity of a human hand. The index and middle finger moved together as a group, ...