Science ❯ Biology ❯ Ecology

Evolution

Cell & Microbiology Mutualism Species Diversity Gigantism Adaptation Terrestrial Adaptation Bird Classification Domestication Predatory Behavior Species Competition Species Classification Birds

Study Finds T. Rex Reached Full Size at 35–40, Reshaping Its Life History

Polarized-light imaging of 17 leg bones revealed hidden growth rings that shift T. rex’s peak size to late middle age.

New Study Finds T. Rex Reached Full Size Around Age 40

Study Finds Urban Raccoons Have Shorter Snouts, Hinting at Early Domestication