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Author Question: The ecliptic is high in the sky at noon in summer. Is it still high in the sky at midnight? Explain ... (Read 207 times) |
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
Medication errors are three times higher among children and infants than with adults.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.