Menu Close

Articles on Brain size

Displaying all articles

Any hominid fossil find with molar teeth can be plugged into a new equation that reveals its species’ prenatal growth rate. Gil Cohen-Magen/AFP via Getty Images

Fossil teeth reveal how brains developed in utero over millions of years of human evolution – new research

Using a new equation based on today’s primates, scientists can take a few molar teeth from an extinct fossil species and reconstruct exactly how fast their offspring grew during gestation.
Artistic view of the evolution of elephants. From left to right, Moeritherium (30 million years old), Deinotherium (5 million years old) and a modern African elephant. Alex Bernardini (Simplex Paléo) and Sophie Vrard (Creaphi).

How did elephants evolve such a large brain? Climate change is part of the answer

A shift in climate, along with other environmental disruptions and the invasion of competitors and new predators all likely played an important role in reshaping ancient elephants’ brains.

Top contributors

More