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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

The sexual cycle of the basidiomycete fungus Coprinus disseminatus. The sexual cycle of the basidiomycete fungus Coprinus disseminatus.
Anatomy of a Foot Anatomy of a Foot
Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers
Examples of Transdermal Patches Examples of Transdermal Patches
Examples of how the recessive gene for straight hair passes from parents to children Examples of how the recessive gene for straight hair passes from parents to children
Examples of drawings in each category of two object forms Examples of drawings in each category of two object forms
Video: Mendel's Pea Experiment

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