Black is the most commonly used colour in all national flags around the world.
Idina Menzel sings 'let it go' 21 times in 'Let It Go' from Frozen.
Mice have more bones than humans.
Tea contains more caffeine than coffee and soda.
The first country in the world to use postcards was the United States of America.
The first product with a bar code was chewing gum.
The Beatles is a famous rock band from Manchester, the United Kingdom.
The atomic number for lithium is 17.
Euro is the official currency in the United Kingdom.
The capital of Australia is Canberra.
A male canary tends to have a better singing voice than a female canary.
Lungs are the largest internal organ in the human body.
A baby whale is also called a calf.
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