This signal involves a biker putting their left hand up with the palm facing forward. It's mainly shown by the leader of the group to signal other bikers to follow them. Read more: 17 Major ...

Imagine a robotic hand that coordinates its palm and fingers with human-like precision -- not only grasping objects with ...

Your hand can be used as a useful guide to controlling your food portions and staying healthy. As a rough guide, the palm of your hand should equate to the amount of meat you should eat.