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.

Genre:

Documentary

Seasons:

3

Episodes:

17

Actor:

Hannah Fry

Quality:

HD

Status:

Returning Series

First Air:

2022

IMDb:

7.5