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When do snakes shed their skins?

Snakes shed their skins when they outgrow them. This happens continually, because snakes keep growing throughout their lives, although more slowly as they get older. The skins are discarded at regular intervals of one to three months, according to the variety of snake. During this process, which is known as sloughing, the old skin is turned back on itself, beginning …

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When do people worship the Monkey God?

On Tuesdays and in some cases, Saturdays, many people keep fast in honour of Hanuman and give special offerings to him. In times of trouble, it is a common faith among Hindus to chant the name of Hanuman or sing his hymn (“Hanuman Chalisa“) and proclaim “Bajrangbali Ki Jai” – “victory to thy thunderbolt strength”. Once every year – on …

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When do birds migrate?

Millions of birds of many different varieties migrate at the end of summer. With unfailing regularity they leave the regions where they were born to fly to warmer climates for the winter. The following spring they return to their breeding grounds. Each year these migratory birds travel as much as 20,000 miles, finding their way back on time with extraordinary …

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When do animals become mutants?

Animals are said to be mutants when they show characteristics different from the rest of their species. Mutations are processes by which the hereditary properties of some of the reproductive cells in animals are altered. In nature these changes can take place spontaneously and unpredictably. But they are rare, and little is known about this cause, beyond the fact that …

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When did the pterodactyls live?

Pterodactyls lived between 1550 million and 70 million yeas ago. These extraordinary reptiles were able to fly. Some had a wing-span of over 25 feet, making them by far the largest flying animals known to man. Their skulls were often longer than four feet. Unlike the birds, their descendants, pterodactyls must have been unable to perch upright. They probably hung …

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When did the practice of the handshake begin?

The origin of the handshake goes back to primitive eras: the physical contact of the hand symbolized peace and friendship. Later symbolism of the gesture, apart from a greeting, was the ratification of a contract or pledge. Even today, we clinch a contract or business deal by ‘shaking hands on it’. Archaeological ruins and texts show the handshake was in …

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When did people first use addresses?

Because early rural communities were so small and all communications were delivered by word of mouth, there was no need for any-mailing addresses. People knew the whereabouts of their relatives and neighbors, and messages were easily directed to them. Then, as more of the common folk learned to read and write, and as people began to inhabit and name more …

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