Why does every mammal get 1 billion heartbeats in their life?

Summary by Krater

This video explores how scaling laws govern the biology of organisms and the infrastructure of cities, focusing on Kleiber's Law and West, Brown, and Enquist's WBE theory.

From the video

Answers: How do scaling laws explain the relationship between body size, metabolism, and urban infrastructure?

• Kleiber's law
• metabolic rate and body mass scaling
• WBE theory
• urban scaling laws

What it concludes

• Safe drug dosage does not scale linearly with mass.
• Almost all mammals have around a billion heartbeats in their lifetime.
• Metabolic rate scales with mass to the 3/4 power rather than 2/3.
• West, Brown, and Enquist developed a theoretical model explaining scaling laws using space-filling fractal networks.
• Urban indicators like wealth, crime, and patents scale superlinearly with population, while infrastructure scales sublinearly.