The average weight of a male brain is 1450 grams, while the weight of an average female brain is about 1300 grams.
Sharks will change their sharp triangle teeth (in five rows) continuously throughout their lifetime. They can change up to thirty thousand teeth. It is believed that the bite force of a white shark is equal to three tons.
Planet Earth belongs to the Milky Way galaxy which has more than 200 billion stars.
Donald Duck comics were banned in Finland. The reason for the prohibition was the fact that Donald Duck does not wear pants.
The first woman ambassador was Russia's Aleksandra Kollontai (1872-1952) who was elected in 1923 to be the Soviet ambassador to Norway.
The hippo can run faster than a man.
