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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Did you know?
Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
Did you know?
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.