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The horizontal fraction bar was introduced by the Arabs.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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