Question 1
Permanent magnets are used only on the most expensive of speakers.
Question 2
Plastic is a good insulator for lines of force.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
The longest a person has survived after a heart transplant is 24 years.
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
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