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Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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The horizontal fraction bar was introduced by the Arabs.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

An ABC fire extinguisher is safe for most fires. An ABC fire extinguisher is safe for most fires.
In middle childhood, children spend increasing amounts of time with peers and friends. In middle childhood, children spend increasing amounts of time with peers and friends.
A warning sticker on an E85 pump warning to only use this fuel in vehicles designated as flexible ... A warning sticker on an E85 pump warning to only use this fuel in vehicles designated as flexible ...
Summary of Guidelines for Safe Use of Moist Hot Packs Before and During Massage Summary of Guidelines for Safe Use of Moist Hot Packs Before and During Massage
Growing Interest in Sugar-Free Foods and Beverages Growing Interest in Sugar-Free Foods and Beverages
Hazelnut chocolate drink Hazelnut chocolate drink
Video: Eczema

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