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Author Question: Near-infrared images display differences in heat and temperature. Indicate whether the statement ... (Read 27 times) |
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.