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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
Did you know?
The horizontal fraction bar was introduced by the Arabs.