Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.
"Since using this bag, I have been able to cut down to a carry-on and personal item most trips" —a reviewer raving about an *extremely* roomy backpack. View Entire Post › ...
Welcome to Nat Geo Your Shot: National Geographic’s global community for aspiring visual storytellers. Find the community on Instagram @NatGeoYourShot and follow along for hashtag challenges ...