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The Birth of the Biological Clock: The First Studies to Prove Our Body's 24-Hour Rhythm
From ancient speculation to Gierse's 1842 temperature measurements - how the study of human performance transformed from folklore to physics.
Season 1
The Foundational Science
Pioneering 19th and early 20th-century research that proved our bodies follow biological rhythms and revealed the true cost of mental fatigue.
1 Articles
Research-Based
Peer-Reviewed Sources