Farming Without Sun or Soil and Eating Manna From Heaven: TMSIDK Episode 35

This week, we work on our survival skills: in the desert, on the tundra, and growing food in abandoned warehouses. Actress Sas Goldberg is co-host; A.J. Jacobs (author of It’s All Relative) is live fact-checker.

School Start Times, Brand Names, and Too Much Ground Beef: TMSIDK Episode 31

We filled this episode with insights about the true value of ground beef, sleeping in, company names, and more. Alex Wagner (CBS This Morning Saturday, The Atlantic) is our special guest co-host, with AJ Jacobs (author of It's All Relative) as real-time fact-checker.

How to Count to Infinity: TMSIDK Episode 30

Mary Roach (author of Stiff, Spook, Bonk, Gulp, and Grunt) is our special guest co-host, with AJ Jacobs (author of It's All Relative) as real-time fact-checker. If the promise of tractor beams doesn't pull you in, our guests also explore robotic fish, counting to infinity, and more.

Womb to Tomb: TMSIDK Episode 27

Alexandra Petri (Washington Post columnist) is our special guest co-host, with AJ Jacobs (author of It's All Relative) as real-time fact-checker. TMSIDK covers everything from birth to earth, including pregnancy tests, parenting, monogamy, aging better, and, finally, embalming.

Family Matters: TMSIDK Episode 20

Amy Chua, Liza Donnelly and Gary Gulman are panelists. The "Tiger Mom," the New Yorker cartoonist and the comedian join our dysfunctional family for this show on parenting, cousins, genealogy and medical divorce. AJ Jacobs is fact-checker.

Oh, My God: TMSIDK Episode 14

John Fugelsang, Tami Sagher and Aman Ali are panelists. Who better to help us talk through religion than these three comedians? We look into unholy fruit, religion in banking and the politics of reincarnation. A.J. Jacobs is fact-checker.

Collections: TMSIDK Episode 10

We've gathered amazing and surprising facts from the world of Collections. We're not talking baseball cards and Beanie Babies—we've got: glucose, gamma rays, brainwaves, fake art and some very blue Russian.

Perfection: TMSIDK Episode 7

In 1921, Congress considered a bill that would add a 13th month called Vern. The goal was to create a year with 13 identical months of exactly four weeks (28 days). We would have a perfectly fixed calendar — every date of every month would fall on the exact same day of the week. Always. […]