Why does boiled water freeze faster?

2025-07-15

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We still don't know why recently boiled water freezes faster!

A Tanzanian teen named Eraste Bartholomeo Mpemba was doing ice-cream experiments (yum!) when he found that recently boiled milk froze faster than room temperature milk - and he wondered why!

Sometimes science is about knowing when you don't understand something yet!

Made with our #stembesties at @CBSUnstoppable