size

Biology

Not too big, not too small: Why it’s the ideal size for modern people to speed up.

The speed and size pattern of running animals (blue) shows that intermediate-sized species (such as cheetahs) are usually the fastest. Resizing the computer-generated human model (right) from a mouse to a horse (orange dots) shows the same pattern, revealing the underlying biomechanical reasons. Credit: Nature Communications (2024). DOI: 10.1038/s41467-024-52924-z The fastest animal on land is the cheetah, which can reach…