Brain size vs. body size and the roots of intelligence In birds, brains that expand after birth appear to be linked to creative behavior. John Timmer – Jul 12, 2022 7:30 am | 53 ...

Quolls have surprisingly big brains for their size. Craig Dingle/Shutterstock. Conversely, we observed a massive acceleration in rate towards smaller brain sizes when bats first evolved.

Adaptation of (work): Eames, Ray Rough sketch for a proposed film dealing with the powers of ten and the relative size of things in the universe (Motion picture) 1977 Smithsonian Libraries Artists' ...

Brain organization, not overall size, may be the key evolutionary difference between primate brains, and the key to what gives humans their smarts, new research suggests.

Based on size alone, humpback whales (Megaptera novaeangliae) would easily crush all other competition with their massive flippers, which evolved from the arms of their terrestrial mammalian ...