AirDate: 12/8/2022 |
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Overview: 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. |
Fitness TrackerShow: The Secret Genius of Modern Life --> Season: 1 - Series 1
AirDate: 12/8/2022
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Overview: 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. |