Top 10 FACTS you THINK you KNOW, but you DON'T KNOWцц

Do you know how much clouds weigh? And can cold weather really make you sick? And why is ice slippery? And how does Google Maps GPS work? Maybe you think you know all these things, but you're probably wrong. In our new top 10 ranking, we will tell you all these curious facts and you will learn many new things. Watch and don’t forget to subscribe.