The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
Oak trees can live 200 or more years.
61
Each day, more than $40 Trillion Dollars changes hands worldwide.
37
Only humans shed emotional tears.
331
An underwater forest off the coast of Alabama that is 50,000 years old was uncovered by Hurricane Katrina.
16
There is a fake village with fake shops and restaurants that is actually a care home for elderly dementia sufferers in the Netherlands.
7
"Big Ben" in London isn't a tower, the bell inside the tower is called "Big Ben", the tower itself is called "The Elizabeth Tower".
18
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13