Also in today's Reddit digest: Meet the guy who made Toxic Avenger, life as a white minority in China, and help a redditor find her missing sister.
The New York Times statistics master answers your questions today.
Also in today's digest: An infinite poker pot, facts and myths of the dental world, and why everyone is suddenly so allergic to gluten.
Also in today's digest: a "Grand Unified Theory of Redditors," why North Korea is doomed to failure, embarrassingly obvious facts.
Also in today's Reddit digest: Old school espionage and Reddit's "meta" ecosystem.
Plus: Eternal September, the best obscure words, and a scientific explanation for that sinking feeling in your gut.