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Author Question: Which statement is true if a child has a hearing loss of 25 decibels (dB)? A. A sound must be ... (Read 141 times) |
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).