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What is the belief about the seventh son of a seventh son?

May 30, 2017 | Author: | Posted in Science

It was once widely believed that the seventh son of a seventh son (or child or either sex as some supposed) was endowed with notable talent and supernatural powers. According to a belief that persisted through the Middle Ages, the seventh son of a seventh son is endowed with the power not only of curing diseases and disorders of …

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May 27 – What is ambergris?

May 27, 2017 | Author: | Posted in Zoology

Ambergris (pronounced am-ber-grees) is derived from French ambre gris and literally signifies “gray amber.” Ambergris is a solid, fatty, wax-like substance produced in the intestines of whales. It occurs only in the sperm whale (cachalot) and is believed to be caused in some way by the beaks of cuttlefish that are often found in it. Cuttlefish and squids …

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Can snakes poison themselves?

May 26, 2017 | Author: | Posted in Zoology

Naturalists are agreed that venomous snakes are immune to their own poison when it is swallowed. There is a difference of opinion, however, as to whether snakes are susceptible to their own poison when it is injected into their blood. The late Raymond L. Ditmars believed they were not. On the other hand, reputable authorities state that rattlesnakes …

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Are elephants afraid of mice?

May 21, 2017 | Author: | Posted in Zoology

That elephants are particularly afraid of mice is a widespread belief. In The Lamentable Tragedy of Locrine, a play written about 1595 and formerly often ascribed to Shakespeare, we find: Have you not seen a mighty elephant Slain by the biting of a silly mouse? But the notion that elephants are afraid of mice does …

Can snakes bite through leather shoes?

May 20, 2017 | Author: | Posted in Zoology

Such snakes as the bushmaster, rattlesnake and Gaboon viper have long, powerful fangs and are able, under favorable circumstances, to bite through soft leather and rubber of the thickness generally used in making shoes, boots and leggings. No species of snake, however, is able to bite through the hard, thick leather used in heavy boots, …

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How do worms get into chestnuts?

May 12, 2017 | Author: | Posted in Zoology

  The so-called worms often found in chestnuts are the larvae of the chestnut weevil, a yellowish beetle with a long beak or snout. During the blooming season, usually in June or July, the female beetle bores, through the burr of the chestnut and deposits her small white eggs in the immature nut. When hatched …

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What is a cow tree?

May 10, 2017 | Author: | Posted in Biology

Cow tree or milk tree is the popular name given to several species of evergreen trees native to the mountains of South and Central America. They get their name from the fact that when the trunks or branches are cut a large quantity of white, milklike juice exudes. The “milk” of one species, Brosimum galactodendron, is …

Does the sap of a tree rise in the spring?

March 19, 2017 | Author: | Posted in Biology

That the sap of a tree rises in the spring and goes down in the fall is a common but erroneous notion. In the spring there is an increased circulation of liquids through the tissues of the tree and the food materials stored in the trunk and branches are dissolved and carried to the buds …

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What makes the jumping bean jump?

March 13, 2017 | Author: | Posted in Zoology

Mexican jumping bean, jumping bean and broncho bean are popular names given to the separate cells of the seed pods of several varieties of swamp shrubs native to northern Mexico and southwestern United States. These shrubs belong to Euphorbiaceae, or spurge family. When the shrub is in bloom or shortly thereafter a bean moth (Carpocarpsa …

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How many square feet of skin does the body contain?

March 8, 2017 | Author: | Posted in Human Physiology

It is estimated that there are from fourteen to eighteen square feet of skin on the average adult human body. One investigator placed the figure as high as twenty square feet. Of course, the surface area of the body, which is practically equivalent to the number of square feet of skin, varies with sex, age, …

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