|
Author Question: The presumption that ability breeds economic success finds empirical support. Indicate whether ... (Read 11 times) |
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
There are 20 feet of blood vessels in each square inch of human skin.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.