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UPDATE: What It Takes to Know Everything

Victoria Groce is the best trivia contestant on earth. The winner of the 2024 World Quizzing Championship explains the structure of a good question, why she knits during competitions, and how to memorize 160,000 flashcards.

Episode 597

Why Do Your Eyeglasses Cost $1,000?

A single company, EssilorLuxottica, owns so much of the eyewear industry that it’s hard to escape their gravitational pull — or their “obscene” markups. Should regulators do something? Can Warby Parker steal market share? And how did Ray-Bans become a luxury brand? (Part one of a two-part series.)

EXTRA

People Aren’t Dumb. The World Is Hard. (Update)

You wouldn’t think you could win a Nobel Prize for showing that humans tend to make irrational decisions. But that’s what Richard Thaler has done. In an interview from 2018, the founder of behavioral economics describes his unlikely route to success; his reputation for being lazy; and his efforts to fix the world — one nudge at a time.

Episode 56

Snake Venom

Why does treating a venomous snake bite cost as much as a house? Zachary Crockett slithers over to North Carolina to find out.

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