In this stanza, Darwin links oxygen to warmth and heat–an apt metaphor, since without either life ceases to function. However, we now know that life exists in a relatively narrow range of temperature ...

Most people who try to hitch a free flight hiding in a jet’s wheel-well die in the attempt, like the person whose body was discovered on Christmas Eve after a flight from Chicago landed on Maui. But ...

A research volunteer sits in a water-immersion tank designed to simulate underwater conditions. With support from the Office of Naval Research, Dr. Blair Johnson (not pictured), of the University at ...