Cool?

Cool?

July 6, 2026 · 43 min · Episode 815

About this episode

The episode explores the Mpemba Effect, where hot water freezes faster than cold, and the story behind its discovery.

You may be shocked to learn that water will freeze faster when it starts hot than when it starts cool. In fact, all of science was shockled to learn this in 1963 when 13 year-old Erasto Mpemba insisted it was true in school. Jeff and Anthony delve into the incredible story of how this phenomenon became known as the Mpemba Effect.

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