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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Did you know?
There are 60,000 miles of blood vessels in every adult human.