Kangaroo Jumps: The Physics Behind Their Leap
Kangaroos hop at 70 km/h using zero extra energy at speed. Expert guide to the physics of kangaroo locomotion and the unique tendons that make it work.
December 2025
December 2024
How Fast Can a Polar Bear Run? Speed on Ice
Polar bear speed: 40 km/h sprint, 10 km/h swimming, and the 687 km continuous-swim record. Why they overheat in seconds, and how they hunt despite it.