The Half-Life of Facts - Why Scientific Truths Keep Changing
summary
Lists examples where accepted facts change: 5% of people still believe the Earth is flat, chromosome counts are corrected to 46 chromosomes in 1956, doctors once told patients smoking is good for you, noble gases form compounds (radon chloride), Pluto loses planet status by definition, birds are reclassified as dinosaurs, Neanderthals shed the “brute” label, and labs even stop the speed of light. Cites The Half-Life of Facts as further reading.
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chapters (13)
- 0:00Introduction: The Nature of Facts
- 0:12Historical “Facts” We Got Wrong
- 0:49Counting Chromosomes: A Surprising Correction
- 1:16Outdated Medical Advice and Smoking
- 1:33Noble Gases Are Not Inert?
- 2:02Personal Anecdote: Timekeeping and DST
- 2:39The Case of the Ninth Planet
- 2:56Facts Defined by Definitions
- 3:07Aging: A Temporary Fact
- 3:19Misunderstanding Neanderthals
- 3:35The Medical World and Shifting Truths
- 4:04Even the Speed of Light Can Change
- 4:27Book Recommendation: The Half-Life of Facts
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