Lateral with Tom Scott
Lateral with Tom Scott

191: Half of a mountain

June 05, 2026 • 47m

Summary

⏱️ 6 min read

Overview

In this episode of Lateral, Tom Scott welcomes the hosts of Let's Learn Everything—Caroline Roper, Tom Lum, and Ella Hubber—back to the show. The panel tackles a series of lateral thinking puzzles ranging from Australian mnemonics and cold play music videos to stealth fighter modifications and submarine food storage. The team's chemistry and quick wit lead them to unlock the bonus question, as they work through questions involving geography, physics, pop culture, and military technology.

Sydney Sheep and Toilet Mnemonic

The panel puzzles over why Australian children learn the bizarre sequence 'sheep, toilet, cow, toilet.' After exploring various stereotypes about Australia and considering it as a mnemonic device, Ella breaks through by suggesting it relates to geography. The answer reveals an ingenious spelling aid for Woolloomooloo, a Sydney suburb whose name breaks down into wool-loo-moo-loo, representing sheep (wool), toilet (loo), cow (moo), and toilet (loo) again.

  • The sequence 'sheep, toilet, cow, toilet' is a mnemonic device taught to children in Sydney, Australia
  • It's specifically for spelling and not a general mnemonic like ROY G BIV
  • The mnemonic helps spell Woolloomooloo: wool-loo-moo-loo
  • Woolloomooloo may come from Aboriginal words meaning 'place of plenty' or 'young black kangaroo'
" Sheep toilet, cow toilet. I think if we say it probably a hundred times I think we'll get it. "
" Woo-loo-moo-loo. Has anyone heard of the Sydney suburb of Woo-loo-moo-loo? "

Coldplay's Backwards Performance

Caroline presents a question about Chris Martin spending hours in 2002 listening to a song backwards. Tom Scott quickly solves it, recognizing it relates to Coldplay's 'The Scientist' music video. The answer reveals that Chris Martin had to memorize and perform the entire song backwards at double speed so the video could be played in reverse, creating the illusion of him moving forward through a backwards narrative.

  • Chris Martin had to learn 'The Scientist' backwards for the music video in 2002
  • He performed it backwards and at double speed so the video could be slowed down
  • The video features backwards motion that appears natural when played in reverse
" Let's go back to the start. "

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