![The Discovery Files show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/014/590/small/the-discovery-files.jpg)
Summary: A team of researchers has found that early hominids living in what is now northern Kenya ate a wider variety of foods than previously thought. 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.