Hadza hunter-gatherers of northern Tanzania have developed a deep and mutually beneficial relationship with the Greater Honeyguide bird, which, as its name indicates, leads people to sources of wild ...

A fire crackles just after dawn in north Tanzania's bushlands. The sun is starting to rise over the Yaeda Valley and the start of a new day means one thing for the Hadza tribe. It's time to begin ...

Unlike most Western guys and gals looking for love, Africa’s Hadza foragers pair up without regard to each other’s size and strength, a new study finds. And that stature-may-care approach underscores ...

Greenland, Bolivia, Malaysia, Pakistan, Crete. After traveling to five different countries in search of the origins of the human diet, Matthieu Paley comes to the last stop in his journey, Tanzania. I ...

HAMBURG — For more than two decades, Herman Pontzer, professor of evolutionary anthropology and global health at Duke University, has studied human metabolism and energy expenditure, especially in ...

The human gut microbiota (GM) is vital for host nutrition, metabolism, pathogen resistance and immune function 1, and varies with diet, lifestyle and environment 2,3,4. Together, the host and ...

The Hadza, people who inhabit the Lake Eyasi region of northern Tanzania, trace their lineage to the earliest known ancestors of mankind. The documentary “The Hadza: Last of the First” explores their ...

The 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 ...

In the modern world, people cooperate with other people including strangers all the time. We give blood, tip providers of various services, and donate to charity despite the fact that there is ...

This story appears in the December 2009 issue of National Geographic magazine. "I'm hungry," says Onwas, squatting by his fire, blinking placidly through the smoke. The men beside him murmur in assent ...

Still no giraffe. Four of us had been walking half the day, tracking a wounded giraffe that Mwasad, a Hadza man in his late 30s, shot the evening before. He hit it in the base of the neck from about ...