- Original release
- Previous episode S2015E48 - Could your brain repair itself? - Ralitsa Petrova
- Number S2015E52
- Genres Animation, Children, Documentary, News
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External links
TheTVDB page
IMDB page
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Last update
29 janvier 2026 - 06:23
on 11 databases
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].
Next episode
S2015E54 - Alex Gendler: The wars that inspired Game of Thrones
