Trying the Hadza hunter-gatherer berry and porcupine dietThe Hadza are one of the last remaining hunter-gatherer tribes in the world. It's thought they've lived on the same land in northern Tanzania, eating berries, tubers and 30 different mammals for 40,000 years. The BBC's Dan Saladino went to watch them foraging and hunting, and to ask whether their diet holds lessons for everyone.
