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Did you know?

Cyanide works by making the human body unable to use oxygen.

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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

A U-tube apparatus like the one used by Bernard Davis. A U-tube apparatus like the one used by Bernard Davis.
Cellular movements caused by the actions of flagella and cilia Cellular movements caused by the actions of flagella and cilia
Mammalian TLRs: specificities, basic signaling mechanisms, and cellular responses Mammalian TLRs: specificities, basic signaling mechanisms, and cellular responses
Space Debris Space Debris
Golgi apparatus. Golgi apparatus.
Proteolytic enzymes Proteolytic enzymes
Video: Ear Animation

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