Did you know that there are 206 bones in the adult human body and there are 300 in children (as they grow some of the bones fuse together).
The most dangerous animal in the world is the common housefly. Because of their habits of visiting animal waste, they transmit more diseases than any other animal.
The largest meteorite crater in the world is in Winslow, Arizona. It is 4,150 feet across and 150 feet deep.
The deepest part of the ocean is 35,813 feet (10,916 meters) deep and occurs in the Mariana Trench in the Pacific Ocean. At that depth the pressure is 18,000 pounds (9172 kilograms) per square inch.
The hottest planet in the solar system is Venus, with an estimated surface temperature of 864 F (462 C).
Boron nitride (BN) is the second hardest substance known to man
