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Author Question: When it rises, air has more weight above it, and the higher pressure allows the air to expand. ... (Read 24 times) |
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
The familiar sounds of your heart are made by the heart's valves as they open and close.
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 highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.