Originele uitgave 5 mai 2015
Vorige aflevering S2015E48 - Could your brain repair itself? - Ralitsa Petrova
Aantal S2015E52
Afleveringsduur 4 minuten
Geslacht Nieuws, Documentaire, Kind, Animatie
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Laatste update 12 novembre 2026 - 06:35
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Eleanor Nelsen: Why do your knuckles pop?

Some people love the feeling of cracking their knuckles, while others cringe at the sound. But what causes that trademark pop? And is it dangerous? Eleanor Nelsen gives the facts behind joint popping. [Directed by Steve Belfer Creative, narrated by Addison Anderson].