Human Ancestors’ Diet Changed 3.5 Million Years Ago

The teeth of fossils 3.5 million years old give scientists clues to their diet

A new analysis of early human teeth from extinct fossils has found that they expanded their diets about 3.5 million years ago to include grasses and possibly animals.

Before this, humanlike creatures – or hominins – ate a forest-based diet similar to modern gorillas and chimps.

Researchers analysed fossilized tooth enamel of 11 species of hominins and other primates found in East Africa. Continue reading