Long ago, two people who lived in Itang village went to the forest of Obil to trap some animals. They set the trap and caught a lion, but the lion broke the trap and ran away. Now the lion was very angry and waited for the hunters. When he saw the hunters, he chased them […]
It really seems strange that fish drink water but it’s true. However, all fish don’t drink and which drink, not because of being thirsty but to maintain their body concentration. Actually, the principle of osmosis is the basis of such activity. Freshwater fish have high salt concentration in their bodies as per the osmosis movement
If you have not noticed a bird’s tongue before, here is the needed insight. Birds do have tongues but they are not so functional as humans’. The tongue of a bird has bones unlike a human’s (which is a muscle) and, therefore, less mobile than ours. Different types of birds have different shapes of tongues.
We all know well that water and oil can never be mixed. Water is actually made of various tiny hydrogen and oxygen molecules, charged positively and negatively respectively and as both charges are there, so it’s obvious that they will attract each other and stick together. Such molecules with positive charge at one end and
Generally we use to say that it is the sun which gives us vitamin D to keep us healthy but we can’t ignore the fact that on extra exposure to sunlight, our health can be destroyed too. Actually, sunlight contains invisible UVs (ultraviolet rays) which can cause tanning, burning and even skin cancer too on
We add salt in our daily food to make it tasty; a few people even use to intake it more in addition to taking salty food too. Salt is actually sodium chloride which helps prevent the growth of bacteria, yeast, moulds, etc in food. It also helps reduce the perception of dryness in foods like
Lemons are taken in morning by most of people with warm water with the belief that they can reduce their weight, and it is not baseless. Actually, a lemon contains citric acid in it and when we intake it, it helps the body absorb calcium into its fat cells; as more calcium is absorbed into
Fish remain alive in water as they take in oxygen from their gills just as human beings take in oxygen with the help of lungs. Since the content of oxygen can reduce in the water, fish sometimes suffocate and drown in water. Small fish ponds dry up frequently giving way to fish drowning as it
Sound travels in a medium which can be solid, liquid or gas. Sound travels as it vibrates the molecules of that medium and reaches the ear of the human being. Space, on the other hand, is a vacuum with no medium that can help sound to propagate. Space does not have gas, solid or liquid
A fish is essentially a cold-blooded vertebrate which is characterized by a slender body, heart with two chambers, gills, fins and scales. Unlike marine animals a fish doesn’t have to reach the surface of water to breathe but does so with feather tissue membranes referred to as gills. A fish breathes in water with gills
Zhores Alferov (born 15 March, 1930) was a physicist, academician and a known inventor of heterotransistor. He was also a Nobel prize winner in the year 2000 for Physics. His inventions contributed to the creation of heterostructure of physics devices and electronics circuits. He was the most influential member as well in the Russian Federation.
Willis Carrier was an American inventor. He worked hard in his life. He was a mechanical engineer who worked to control and regulate the temperature. Willis Carrier was born on 26 November, 1876 in America. By the start of the 20th century, he completed his mechanical engineering. He invented the air conditioner. It was a
William Potts (1883–1947) was born in Michigan and served as a Detroit Police officer from the age of 17. He is credited to invent a three-way traffic light in 1920. Officially, he did not get the patent for his invention but since the legal battle started between the manufacturers of the traffic light, The United
William Kennedy Laurie Dickson was born on 3 August, 1860. He was a French born Scot inventor who designed an early motion picture camera under the supervision of Thomas Edison. William Kennedy Laurie Dickson was an inventor, director, producer, cinematographer and actor. Dickson invented the first realistic celluloid film for this application (Kinetoscope) and determined
William Harvey (1 April, 1578–3 June, 1657) was a great English physician who pioneered the complete description of the concept of systemic circulation–detailed properties of the blood that is being pumped by the heart to the entire body. History states that Harvey was a humorous yet a very precise man who would often be insomniac