The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Using Probability Calculations in Genetics
genetics
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.