the science-heads will find this amusing *g*

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC300808/?tool=pubmed

BMJ. 2003 December 20; 327(7429): 1459–1461.

doi:  10.1136/bmj.327.7429.1459

PMCID: PMC300808

Parachute use to prevent death and major trauma related to gravitational challenge: systematic review of randomised controlled trials

Gordon C S Smith, professor¹ and Jill P Pell, consultant²

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