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