Our top 100 facts, in order from best to worst.
About 98% of the thoughts you have each day are the same thoughts you had the previous day.
The microwave was invented by accident in 1945, when an engineer working close to high powered radars noticed the candy bar in his pocket had melted.
In ancient times doctors used spiderwebs to make bandages for their patients.
Bees must collect nectar from 2 million flowers to produce one pound of honey.
Adult camels can drink 30 gallons (113 liters) of water in just 13 minutes.
Hummingbirds do everything fast. In just one minute they can flap their wings 50 times, have their heart beat 1200 times, and take 250 breaths of air.
In Laguna, Brazil, dolphins help fishermen to catch fish. The dolphins round up the fish and signal the fishermen to cast their nets. More than 200 families rely on the daily catch.
Astronomers think Neptune may have oceans that are made up of liquid diamonds.
The Banana tree is not really a tree, it is actually a giant herb plant. It can grow up to 25 feet tall, making it the largest herb in the world.
Hyenas have exceptional strength. Their heart is twice the size of a lion's heart.
Scientific studies suggest that eating a handful of pistachio nuts per day helps reduce cholesterol and maintain a healthy heart.
The planet Venus is named after the Roman goddess of love. It is the brightest planet in the night sky and the only planet to be named after a female.
The bullet ant inflicts the most painful sting of all insects. One sting feels like being shot by a bullet.
25 tons of sea weed is needed to produce 15kg of iodine.
The heart of a giraffe weighs more than 10 kilograms (22lbs) and beats twice as fast as the human heart.
China has the most donkeys in the world, about 11 million.
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