History SplitA CrumbJar thing Make a decision

Theme

Science & medicine

Scientists and doctors deciding whether the evidence is strong enough to act.

  1. 1854 The Pump on Broad Street Science & medicine · Leave the pump in use 18% / 82% Remove the pump handle
  2. 1941 The First Human Patient Science & medicine · Wait for more supply 26% / 74% Treat him now
  1. 1954 The Polio Vaccine Question Science & medicine · Launch the field trial this year 69% / 31% Wait for more evidence

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