QUESTION:
Two students seek information regarding:
1. exercising during space mission - equipment, etc.
2. food preparation
3. preflight training - simulators, zero-gravity training, etc.

ANSWER from Duncan Atchison on October 16, 1997:
Some of the very questions you asked, we've just had answered by one of our 
astronauts, Jay Buckey, see his answers at:
http://quest.arc.nasa.gov/neuron/kids/force.html
 
These answers are part of our NeurOn project, I hope you'll join us for that 
too!
 
You will also enjoy the page about the astronauts, how they prepare, how they 
keep in shape, etc., at:
http://www.jsc.nasa.gov/pao/public/astronauts.html