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