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Author Question: What is a function of the mirror in Diego Velzquez's The Maids of Honor (Las Meninas) and Jan van ... (Read 33 times) |
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.