Search Results for: Human

Why Do Plants Bear Fruit?

Do you like fruits? Have you ever wondered why plants produce fruits? Is it only because nature wants you to enjoy eating its fruits and sing its praises? The answer is no. Plants are much smarter than what you think they are. They actually use human beings, animals and birds who eat their fruits to propagate their kind. In other …

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Niklas Zennstrom

Niklas Zennstrom (The Skype Guys) was born on 16 February 1966. He is a Swedish entrepreneur, investor, and philanthropist. He is most famous for founding several high-profile online ventures with Janus Friis including Skype and Kazaa, More recently the pair founded the investment group Atomico and have become significant figureheads for entrepreneurs in the tech sector. Career Zennstrom started his professional career …

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Why do people study cybernetics?

People study cybernetics to gain knowledge with which to improve mechanical things. Cybernetics is the scientific study of automatic control and communication in the functions of animals and in mechanical and electrical systems. It is chiefly concerned with physiological and psychological mechanics of animal behaviour. These methods have been used in deciphering garbled messages, in anti-aircraft gunnery, in constructing artificial …

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Why are Some Plants Non-vegetarian?

Are you scared of going to the forest because you think there are man-eating tigers in the forest? What would you do if there were man-eating plants too? Don’t worry. Man-eating plants do not exist. But insect and animal-eating plants do. They are what you would call non-vegetarian plants. In fact, there are 500 varieties of plant species that trap …

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Why are danger signals in red although the eye is most sensitive to yellow and green?

Although the human eye is sensitive to yellow and green, it has become a tradition to use red as a signal for caution. A ship carrying explosives would have a red flag flying to signal to other ships not to come very close. Experts believe that since the deep red colour of blood could shock people into alertness, such a …

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Who were the Aztecs?

During the twelfth or thirteenth centuries the third had greatest of the Mexican civilizations arose – the Aztecs. They were a warlike race which gradually grew in power, becoming the strongest nation in Mexico. Their capital, Tenochtitlan, was built on islands in a marshy area where Mexico City stands today. They worshiped a blood-thirsty pantheon of gods, led by Huitzilopochtli, …

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