BBC Earth
Data: il-Ħadd, 28 ta Apr, 2024
BBC Earth
Sweden
http://www.bbcearth.com/

il-Ħadd, 08:45 CEST

The Secret Genius of Modern Life

The Secret Genius of Modern Life

Fitness Tracker, E5, S1

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.