Q. How does a cockroach manage to survive without its head? A. The bodiless head too lives on, waving its antennae about for several hours, says Charles Choi in Scientific American magazine. To ...

Add Yahoo as a preferred source to see more of our stories on Google. With pumpkins glowing from porches, witches cackling from rooftops and cobwebs draping every corner, Halloween is all about spooky ...