Infant sleep position impacts the development of head shape. Changes in infant sleep position, specifically the movement toward supine sleep, have led to a redefinition of normal head shape for ...

Cut off any part of this worm's body and it will regrow. This is the spectacular yet mysterious regenerative ability of ...

Yet, for all its aesthetic and expressive potency, the neck is also a site of fear and deep vulnerability. Villains and vampires zero in on the neck. Stressful days at work make us clench our neck ...