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Author Question: For a common resource, the marginal private cost of the resource is equal to the marginal social ... (Read 61 times) |
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).
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.