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"There has never been a double blind test on the efficacy of parachutes!" -Internet Scientist Not sure I'd trust a parachute without proper testing.
by RobertRoberts 9y ago
"There has never been a double blind test on the efficacy of parachutes!" -Internet Scientist
Not sure I'd trust a parachute without proper testing.
- kolinko 9y agoWe have some retrospective research though, although I'm not sure the causation was shown, not just correlation.