* 15 million blood cells are produced and destroyed in the human body every second.
* 20/20 vision means the eye can see normally at 20 feet. 20/15 is better; the eye can see at 20 feet what another eye sees at 15 feet.
* 62 degrees Fahrenheit is the minimum temperature required for a grasshopper to be able to hop
* How much of it is water?
--84% : raw apple
--96% : raw cucumber
--93% : water melon
* A 1960 Chilean earthquake was the strongest earthquake in recent times, which occurred off the coast, had a magnitude of 9.6 and broke a fault more than 1000 miles (1600 kilometers) long.
* A bee could travel 4 million miles (6.5 million km) at 7 mph (11 km/h) on the energy it would obtain from 1 gallon (3.785 liters) of nectar.
* A cockroach can live for several weeks without its head.
* A crocodile's tongue is attached to the roof of its mouth.
* A goldfish (like most marine fish) can survive in a tank full of human blood.
* A huge underground river runs underneath the Nile, with six times more water than the river above.
* 20/20 vision means the eye can see normally at 20 feet. 20/15 is better; the eye can see at 20 feet what another eye sees at 15 feet.
* 62 degrees Fahrenheit is the minimum temperature required for a grasshopper to be able to hop
* How much of it is water?
--84% : raw apple
--96% : raw cucumber
--93% : water melon
* A 1960 Chilean earthquake was the strongest earthquake in recent times, which occurred off the coast, had a magnitude of 9.6 and broke a fault more than 1000 miles (1600 kilometers) long.
* A bee could travel 4 million miles (6.5 million km) at 7 mph (11 km/h) on the energy it would obtain from 1 gallon (3.785 liters) of nectar.
* A cockroach can live for several weeks without its head.
* A crocodile's tongue is attached to the roof of its mouth.
* A goldfish (like most marine fish) can survive in a tank full of human blood.
* A huge underground river runs underneath the Nile, with six times more water than the river above.