Science writer Mary Roach chronicles both the history and the latest science of body part replacement in her new book. She ...

A former detective has told a new documentary about the murder of teenage supermarket worker Barry Wallace that his killer ...

Researchers studied octopuses in the wild to learn whether they favor one of their eight arms over the others for certain jobs, but found the creatures give new meaning to ambidextrous.

Anyone with a paltry two arms is probably familiar with handedness, our predisposition to use either the left or right hand for particular tasks. (No ambidexterity erasure intended; you are valid!) ...