Identical twins offer up selves for space science

Astronauts Scott and Mark Kelly will take part in an unprecedented study of identical twins to better understand the effects of prolonged weightlessness by comparing the twin in space with the twin on the ground.

Advance toward a breath test to diagnose multiple sclerosis

Scientists are reporting the development and successful tests in humans of a sensor array that can diagnose multiple sclerosis (MS) from exhaled breath, an advance that they describe as a landmark in the long search for a ...