Once upon a time, there were nine dogs that went out to hunt. On the way, they met a lion. The lion said, “I am hunting too. Let us hunt together.” So, the lion and the dogs hunted together. They caught ten antelopes. Then, they decided to divide the meat among themselves. One of the […]
While moving on the road, we leave things behind us at the speed we are moving. As we look up the sky, we see the moon following us even though we speed up and cross miles. This is mainly because the distance of the moon is approximately 240,000 miles and it being above us we
The solar system has now 8 planets and Saturn is one of them. Saturn is very special among them as it bears a ring-like structure on it. Such rings of saturn were firstly observed by Galileo in 1610 and, still, it is mystery that how actually such rings have formed. However, there are several predictions
Saliva is a liquid proteinaceous substance containing amylase enzyme and is produced by salivary glands under tongue. Because of amylase starch gets broken down into sugars and gets digested easily. A normal person produces up to 1.9 litres of saliva in a day but sometimes a person may face the situation where excessive saliva is
Bats are mammals that are born with wings. Because of their functions they have been unable to take much weight on their limbs. They are not strong to help them walk. Therefore, they lie upside down or hand themselves like that in caves. As they take up weight on their wings it also helps them
Actually, raining is not a single activity but it is actually a chain of activities. This process starts in warm days when sunshine heats up the ground and above it all. On being warm the air absorbs water from seas, river, pond, etc and goes up. On going higher and higher warm air gets very
Fruits do change their colours as they ripe to attract eaters and animals. Unripe fruits such as a green banana are bitter, raw and hard to chew where as the yellow ripened banana is tasty and sweet. Fruits change colours when their seeds are ready to be transported. Bright colours attract animals to eat fruits
Why does a Fruit Change its Colour as it Ripens? Read More »
Against the popular notion that the strong odour of the onion makes us shed tears but in reality, it is the gas released by an onion. An onion contains oils that have sulphur, which irritates not only our eyes but also our nose. When we cut an onion the gas from it known as propanethiol
Why does the Cutting of Onions Make You Shed Tears? Read More »
Coffee contains caffeine, which helps us reduce drowsiness. Sleepiness or drowsiness is often chemically induced by adenosine that binds to its receptors in the brain and creates drowsiness. Caffeine is a chemical and it alters the chemical level of our brain making us feel aroused. Firstly, it stimulates up by rushing adrenaline in our blood
Different types of clouds can be largely seen in the sky due to the air pressure and the temperature of the sky. When the air is cold way up in the sky, the water droplets from which the clouds are formed condense and freeze. On the other hand, warm air makes these clouds to come
We perspire mainly to keep the body temperature at the level of 98.6 degrees Fahrenheit. The temperature of the human body is controlled by brain, which is the temperature control centre of the body. Since our body needs to burn around 2500 calories to run its basic internal mechanism each day, the releasing of energy
Electricity is a force, which is generated outside our body. If it comes in contact with the human body it may disturb the internal current or electricity in our body that the nervous system generates. The human body has a high volume of water content and, therefore, is a good transmitter of electricity. If the
Once upon a time, the King of Uganda wanted to make a Zoo. He called all his ministers and ordered them to bring different kinds of animals from the forests and swamps. Then, in a beautiful garden he kept the animals in the cages. People from all over the country came to see them. But,
Dream is what we experience, see, and feel during sleep. But why is it caused? Whether it has some purpose or not, is not fully answered by anyone yet. At present, there are two groups who explain the answer to such questions as per their own perspective. But in some points, both are the same
Eyelid which blinks is one of the involuntary movements in the human body. The action of blinking essentially keeps the eye moist and protects it from any foreign matter. The fold of skin, which forms the eyelid also, has sebaceous glands underneath it, which secrete oils to keep our eyes away from drying. The rapid