2 million years ago, human relative 'Nutcracker Man' lived on tiger nuts

An Oxford University study concludes that ancient ancestors who lived in East Africa between 2.4 million-1.4 million years ago mostly ate tiger nuts with additional nourishment from fruits and invertebrates, like worms and grasshoppers. The study published in the journal, PLOS ONE, examines the diet of Paranthropus boisei, nicknamed "Nutcracker Man," through studying modern-day baboons in Kenya to help to explain a puzzle that has vexed archaeologists for 50 years. Read more