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Author Question: The effort to control the proliferation of nuclear weapons includes the Comprehensive Nuclear Test ... (Read 73 times) |
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Cyanide works by making the human body unable to use oxygen.
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).
The horizontal fraction bar was introduced by the Arabs.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.