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 …
Read More »Why do people sweat when they are frightened?
May be because due to fear of something our body gets heated either due to increase in over all blood pressure or increased flow of blood into necessary parts of our body. So to cool down our body we starts sweating. Its a natural way of human body to maintain the body temperature into a specific buffer zone.
Read More »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 …
Read More »Why do people have hair?
Like all other mammals, human beings have hair on their bodies. The chief job of this hair is to retain the body’s heat, so that we do not die of cold. A man grows hair on his face and not so much on the top of his head, while a woman has more hair on her head and far less …
Read More »Why can’t we see in the dark?
The human eye uses light to see. Light bounces off our surroundings and into our eye through our pupil, the black hole at the center. A picture forms on our retina, the lining at the back of the eye. Our brain makes sense out of what we see. Without light, there is nothing to enter our retina and therefore we …
Read More »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 …
Read More »Why are some people left-handed?
When a person is left-handed, all it means is that they can do certain things better with the left side of their body than with the right. You may have noticed that some people write with their left hand instead of their right, and that they hold their knife in their left hand, and other similar things. This is not …
Read More »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 …
Read More »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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