2 Season
12 Episode
The Secret Genius of Modern Life - Season 1 Episode 5 Fitness Tracker
Hannah Fry finds out how 1970s car crashes helped us to count our steps, why WWII dog-fights led to a crucial health monitor and how fitness trackers are even being used to catch killers.
- Year : 2023
- Country : United Kingdom
- Genre : Documentary
- Studio : BBC Two
- Keyword :
- Director :
- Cast :
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