As NASA contemplates a manned voyage to Mars and the effects that missions deeper into space could have on astronauts, it's tapping research from another outfit with experience sending people to the deep: the U.S. Navy submarine force.

The space agency is working with a military laboratory at the submarine base in Groton, Connecticut, to measure how teams cope with stress during month-long simulations of space flight.

That's rather curious. ;-) To read more, click here.