Brian Dunning

Science & Medicine, Natural Sciences, Social Sciences

Chart Positions

Social Sciences 12
Science & Medicine 59

Since 2006, the weekly Skeptoid podcast has been taking on all the most popular myths and revealing the true science, true history, and true lessons we can learn from each. Free subscribers get the most recent 50 episodes, premium subscribers (skeptoid.com) can access the full archive, all ad-free.


Skeptoid #491: 420: The Cannabis Code

November 3rd, 2015

Episode 516 of 616 episodes

Myths surround the origin of the term 420, a slang code for marijuana. Even when you dig down to the true origin, competing claims make it even foggier.

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