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Discussion with human evolutionary biology researcher Dr. Alyssa Crittenden about the Hadza, a modern hunter-gatherer people in Tanzania, Africa.

A UCLA study found that societies in which men are more invested in the care of their children show signs of more jealousy in response to infidelity.

Honey — it’s a popular “better-for-you” sweetener for tea and baked goods alike, but because it’s made by bees, the question of its vegan status is an on-going discussion in communities.

The lifestyle of Hadza in Tanzania could soon be a thing of the past.

YAEDA VALLEY IN TANZANIA—As we hike down a rocky slope, through thorny acacias that snag our clothes and past the emaciated carcass of a cow, we hear people singing. We are approaching a small camp of Hadza hunter-gatherers, and our Tanzanian guide thinks they must be celebrating something.

There are two kinds of sleepers in this world. Night owls who have energy well into the evening and go to bed late. And early birds, the ones who subscribe to the early-to-bed-early-to-rise regimen. You probably have a good idea of which category you fall into most of the time, but you might not know why or how to switch over into the other camp. Or even if you should.

It may not seem obvious at first, but the pollination prowess of bees affects much of what, how and why we eat. And it goes far beyond honey served from a jar.

We have a strange nostalgia for our hunter-gatherer days. Despite the fact that many of our ancestors died grim deaths at the hands of animal teeth and simple infections, we seem to cling to the idea that humans were somehow healthier and just, well, better when living off the land. It’s for this reason that many turn to diets based on what either ancestral humans or modern-day hunter-gatherers would eat.