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Crocodile and Hippopotamus Served as 'Brain Food' for Early Human Ancestors

Your mother was right: Fish really is "brain food." And it seems that even pre-humans living as far back as 2 million years ago somehow knew it.

A team of researchers that included Johns Hopkins University geologist Naomi Levin has found that early hominids living in what is now northern Kenya ate a wider variety of foods than previously thought, including fish and aquatic animals such as turtles and crocodiles. Rich in protein and nutrients, these foods may have played a key role in the development of a larger, more human-like brain in our early forebears, which some anthropologists believe happened around 2 million years ago, according to the researchers' study.

A paper on the study was published recently in Proceedings of the National Academy of Sciences and offers first-ever evidence of such dietary variety among early pre-humans.

In 2004, the team discovered a 1.95 million-year-old site in northern Kenya and spent four years excavating it, yielding thousands of fossilized tools and bones. According to paper's lead author David Braun of the University of Cape Town (South Africa), the site provided the right conditions to preserve those valuable artifacts....
Read entire article at Science Daily