Most dust particles in a US house are made from dead skin. See more

The Netherlands has built 800 miles of massive dikes and sea walls to hold back the sea. See more

Owls swallow their prey hole because they have no teeth. After 12 hours they cough up the feathers, bones, and fur in a shape of a football pellet. See more

In Chinese the words for crisis and opportunity are the same. See more

On average, Americans spend about 6 months of their lives waiting in front of traffic lights. See more

The vocabulary of the average person consists of 5,000 to 6,000 words. See more

Those stars and colours you see when you rub your eyes are called phosphenes. See more

On average people fear spiders more than they do death. See more

26% of all electric cable breaks and 18% of all phone cable disruptions are caused by rats. See more

25% of women think money makes a man sexier. See more

The "sixth sick sheik's sixth sheep's sick" is said to be the toughest tongue twister in the English language. See more

The light from your computer screen streams at you at almost 186,000 miles a second. See more

The average person eats eight spiders in their sleep in their whole entire lifetime! See more

The microwave was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket. See more

In Tibet it is considered good manners to stick out your tongue at someone. See more

The top 8 most developed countries all speak Germanic languages. Every such country is in the top 20. See more