Our Brain Shows Images from 15 Seconds in the Past

When we think that we live this very moment, we are wrong. It turns out, our brain tricks us so we're always 15 seconds out of date. So basically we always live a little bit in the past. This way, your brain helps you stabilize your vision of the world around you. Your eyes receive a huge amount of visual information and they need a little time to process it. Let's find out how it works.

Here're 13 coolest body facts that'll help you realize how unique and special our bodies are. You'll find out why you produce more saliva when you go for a run. And how you can burn calories while thinking. Have you ever wondered why our distant relatives, the primates, are so much stronger than us? We're gonna explore these and more questions about human bodies...