Uncovering how similar the current Paleo diet fad is to what actual ancestors ate; learning how digestive anatomy and neural expansion play a role in the evolution of nutrition; determining whether or not humans are adapted to one specific diet.

Using fascinating research from a study of one of Africa's last foraging populations; Professor Crittenden reveals insights into how hunter-gatherer societies function; how they may shape the diversity of human nutrition.

For clues to the history of human nutrition, scientists look to fossils in the form of stones, bones and teeth; learning what scientists discover about the ancestral dinner plate through artifacts used for butchery and the bones of the human cranium.

Learning how meat changes the playing field for the earliest ancestors; tracing the history of meat-eating through human evolution; using data from cut marks on bones; considering the nutritive benefits and dangers linked with meat consumption.

There are more than 1,900 edible insect species on Earth; 2 billion people regularly consume insects as part of their diet; Professor Crittenden takes one inside the fascinating world of entomophagy; the ways one turns to insects for nutrition.

The role of plant foods in diet; studying plant microfossils that radically change one's views about the Stone Age menu; the role played by underground storage organs; research on plant-processing techniques among Tanzanian foragers.