Did you know?
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
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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).
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Hydrogen sulfide as an energy source for chemoautotrophic bacteria in the deep sea.
Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease.
How the Wernicke-Geschwind model works in a person who is responding to a heard question and reading ...
Model of cI repressor binding to DNA
Model of an Etruscan Temple
Model for ecosystems on land