A prosthetic hand that weighs about half that of a human hand also enables wearers to carry out intricate tasks, such as tying knots ...

Question: When on a freeway and emergency vehicle is approaching from the rear but not the same lane, is it the law to pull over and stop? Stopping on the freeway can be very dangerous. Answer: ...

For competitors in high-speed sports, crashes are an inevitable risk, yet many elite athletes say it can be tough to get back ...