(04/17/1998) --- STS-90 Mission Specialist Kathryn (Kay) Hire prepares for launch during suitup activities in the Operations and Checkout Building as Astronaut Support Personnel team member Heidi Piper braids Hire's hair. Hire and the rest of the STS-90 crew will shortly depart for Launch Pad 39B, where the Space Shuttle Columbia awaits a second liftoff attempt at 2:19 p.m. EDT. Her first trip into space, Hire is participating in this life sciences research flight that will focus on the most complex and least understood part of the human body the nervous system. Neurolab will examine the effects of spaceflight on the brain, spinal cord, peripheral nerves and sensory organs in the human body