There are 20 feet of blood vessels in each square inch of human skin.
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The horizontal fraction bar was introduced by the Arabs.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
Anatomy of the large intestine
Large intestine
The Very Large Array (VLA)
Coding for Special Situations Cont
Integrative recombination in phage l: The site-specific recombination event