What is the apple of one’s eye?
The apple of one’s eye is the pupil, which was likened to an apple because, in the ninth century, it was believed to be a solid round mass.
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What makes houseplants turn toward the light?
Growth hormones called auxins makes houseplants turn toward the light. When light falls on one side of a plant, the auxins tend to concentrate on the shaded side, causing the cells on that side to grow longer. As a result, the plant gradually leans toward the light. This bending movement in response to an outside…
How does the marriage rate in the United States in recent years compare to that in 1900?
Recent marriage rates have been fairly similar to what they were at the turn of the century. In 1900, the marriage rate was 9.3 per 1,000; in 1988, it was 9.7. The divorce rate, however, has changed drastically. In 1900, it was 0.7 per 1,000; in 1988, it was 4.8.
How many members of the U.S. military are on active duty?
As of 1988, 764,247 members of the U.S. military were on active duty.
How many muscles does it take to smile and to frown?
Smiling is easier on the face than frowning. It takes 17 muscles to smile and 43 to frown.
What’s the difference between a stalagmite and a stalactite?
Both stalagmites and a stalactites are elongated deposits of minerals at points where slowly dripping water enters a void. Stalagmites build from the bottom of such a cavity; stalactites hang from the ceiling. When the same dripwater source creates both a stalactite and a stalagmite, the two may meet and form a column.
Where did Sigmund Freud get the term id?
Sigmund Freud’s original term for the unconscious mind was not id but es, the indefinite pronoun it in German. Freud borrowed that term from a physician, Georg Groddick, who in turn had borrowed it from his teacher Ernst Schweninger. As Freud’s ideas became popular in English-speaking countries, translators felt that simply calling the unconscious it…