In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.
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The FDA recognizes 118 routes of administration.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
The organic compounds from which most cellular materials are constructed: the ABCs of biochemistry
Sulfur Compounds and their PH values
Compounds
Compounds
Hydrolysis reactions for some biochemically important phosphate compounds (part 3)
The Ames test for potential mutagenicity of chemical compounds