[Utah-astronomy] Parachute use to prevent death and major trauma related to gravitational challenge

Some people on this list intentionally jump out of perfectly good airplanes. You may wish to glance at this scientific paper ;-) http://www.bmj.com/cgi/content/full/327/7429/1459 Michael Carnes MichaelCarnes@earthlink.net home.earthlink.net/~michaelcarnes