Analysis of the oldest reported trace of human faeces has added weight to the view that Neanderthals ate vegetables.
Found at a dig in Spain, the ancient excrement showed chemical traces of both meat and plant digestion.
An earlier view of these early humans as purely meat-eating has already been partially discredited by plant remains found in their caves and teeth.
The new paper, in the journal PLOS One, claims to offer the best support to date for an omnivorous diet.
Poo is “the perfect evidence,” said Ms Ainara Sistiaga, a PhD student at the University of La Laguna on the Canary Islands, and the study’s first author, “because you’re sure it was consumed”.
Ms Sistiaga and her colleagues collected a number of samples from the remnants of a 50,000-year-old campfire in the El Salt dig site, a known Neanderthal habitation near Alicante on Spain’s Mediterranean coast.
A year later, the samples were analysed in a lab at the Massachusetts Institute of Technology (MIT), where Ms Sistiaga is a visiting researcher, BBC informs.
