Do you know this?
1.One cubic mile of seawater contains about 50 pounds of gold.
2.Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
3.Male lions begin to grow their manes at about 18 months old.
4.The 'Welcome Stranger,' the largest gold nugget ever recorded, was found in Victoria, Australia, in 1869. It weighed 78 kilograms (about 172 pounds).
5.Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
6.On average, 350 squirts are needed from milking a cow to make a gallon of milk.
7.Butterflies can attain a flight speed of up to 50 kph.
8.In 32 years. there are about 1 billion seconds!
9.The rings around Jupiter were the third set of rings discovered in the Solar System.
10.Banging your head against a wall uses 150 calories an hour.