Landkreuzer P. 1000 "Ratte", also known as Rat, is a giant tank that the Nazis planned to make to assist them in battles in World War II, which was supposed to weigh a staggering 1,000 tons.
The first SMS message was sent on 3 December 1992 when the programmer Neil Papworth sent a Christmas greetings to his friend Richard Jarvis through the "Vodafone" network.
On average, adults laugh fifteen times a day.
The longest border in the world is the one that separates Canada and the United States; a length of 6,416 kilometers.
Sharks will change their sharp triangle teeth (in five rows) continuously throughout their lifetime. They can change up to thirty thousand teeth. It is believed that the bite force of a white shark is equal to three tons.
Cleopatra's Needle, which is now located at Central Park in New York was once part of a sundial.
