You're probably reading this on a computer or mobile device, sitting in an air-conditioned room, having arrived at school on a bus or in a car, and having had a warm meal.
You're pretty special. You've got it a lot better than your ancestors 80,000 years ago. They had to hunt and move around to survive! Life was cold, brutish, and short.
In this video, you'll see how humans changed and adapted in order to survive.