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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 4576 times) |
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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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.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.