500 Open Tabs

This week we learn about the various uses of the name Batman including a town in Iran, a personal valet to a commissioned officer in England and a unit of measurement. A listener email informs us the ...

11 Feb 54min

We are back for season 3 with new tabs and a new format! This week we learn about the South African legend Renfrew Christie, who used his dissertation at Oxford as a front to spy on the Apartheid gove...

4 Feb 59min

Part 2! After meeting on the 500 Open Tabs Discord, a few fans of the show got together and recorded a tribute episode "The Tab Conspiracy," so we decided to share it with our tens of listeners!! This...

31 Des 202549min

After meeting on the 500 Open Tabs Discord, a few fans of the show got together and recorded a tribute episode "The Tab Conspiracy," so we decided to share it with our tens of listeners!! This week th...

24 Des 20251h 10min

Our Season 2 finale brings back the ancient tournament of Kumitab, where we pit some of our most unhinged subjects against one another including Bat Boy, Khutulun, and the 1800s self-replicating robot...

17 Des 20251h 22min

This week we are joined by award winning author Amal El-Mohtar as we learn about herbiary plagiarism from the 16th century, how Kix cereal once offered toys with radioactive material, and the tale of ...

10 Des 20251h 32min

This week we learn about the fascinating life of Russian inventor Leon Theremin, whose eponymous instrument led to the birth of electronic music and how San Francisco happily obliged a formerly succes...

3 Des 20251h 31min

It's Thanksgiving week so we're showing our thanks to our tens of listeners by dedicating an entire episode to their tabs! Join us as we learn about Existentialism, criminals who are bad at stealing r...

26 Nov 20251h