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#1 I was camping with the Hadza, a tribe of hunter-gatherers, in the middle of the African savanna. The sounds of lions woke me up at two in the morning. I was terrified, but I knew that if one had to be eaten by lions, it would be better to be asleep at the time.

#2 The Hadza are a resourceful and badass tribe that lives in northern Tanzania. They are hunter-gatherers, and they have no agriculture or domesticated animals. They acquire their food from the wild landscape around them.

#3 The Hadza people are a tribe in Tanzania that live a primitive lifestyle. They hunt and gather wild foods, and do not use money. They do not have electricity, cars, or other modern conveniences. But they are very resourceful and can hunt and gather food almost anywhere.

#4 The way our bodies burn energy is extremely important for our health and well-being. Our bodies are made up of roughly 37 trillion cells, each of which is humming along like a microscopic factory every second of every day.