Random Fun Facts  

The $ sign was introduced in 1788. A jiffy is an actual time measurement equaling 1/100th of a second. A group of porcupines is called a prickle. The most commonly used word in English conversation is 'I'. Astronauts can't burp in space. It takes an interaction of 72 muscles to produce human speech. All hurricanes form over the sea and can last up to 10 days. Sharks lose teeth a lot when they eat. Some sharks will replace as many as 25,000 teeth in a lifetime. The yo-yo was originally used as a weapon for hunting the in the Philippines. Wind moves air from high to low pressure areas. reload more facts