Vipul Jain

What is the difference between Venom and Poison? Venom and Poison are both toxic substances. Still, some animals are called venomous and others are poisonous. The only difference between being called poisonous or venomous is in the way these animals deliver the harmful substance. Venom : When animals like snakes use their sharp fangs to bite into the flesh and let the toxic substance move into the body of their prey,  through the punctured skin, they are called venomous animals. To deliver venom an animal has to use tools like fangs or stingers. Poison : Poison is something that can get inhaled, ingested or seeped into the skin directly. For example, if you accidentally touch a brightly colored poison dart frog, you will transfer the toxins it secretes from its skin, to your own skin. And then the poison will seep into your blood stream.

Why Is Water Wet? 'Wet' is ultimately just a word that applies to water. What we feel as wetness is actually coldness as the water evaporates. Below is an experiment from the Institute of Physics to test the feeling of 'wetness' between two different liquids: The feeling of wetness is actually coldness. You can test this by comparing water with another liquid - cooking oil - which doesn't evaporate so freely Liquids make surfaces wet (i.e. they stick to many solid surfaces) due to the electrostatic (opposite charges) forces between molecules. Water is polar—it has an uneven spread of electrical charge—which makes one end of the molecule positive and the other end negative. This causes water to be attracted to many surfaces and also explains many other properties of water.

What exactly happens when a Vegetable is Boiled? Why does it become soft ? There are two components to vegetables that make them crisp, pectin and starch. Pectin, which is basically a type of glue and is also used in jams and jellies for structure, breaks down at 183ºF / 83ºC at a slower rate than the starch cells do. In many cases this allows for more tender vegetables that have a unique texture to them. There's other things that go on, such as vitamins being leeched into the water, but the temperature affecting the pectin is the reason for the softness.

Why do Elephant have big Ears? Elephants are massive animals and generate a lot of heat in their day to day activities. As they are mammals and therefore warm blooded animals, they have certain adaptations to help them cool off. However elephants do not possess sweat gland like we humans do so they are unable to cool off by sweating. What they do possess are those huge ears. The elephant ears has a fine network of blood vessels close to the skin which helps it cool off by radiation. As the atmospheric temperature is usually lower than their body temperature, heat is lost to the atmosphere. They are also able to increase it's efficiency by fanning themselves with those ears. This can cause a temperature drop of up to 5°C! That's why African Elephant have big ears than asian one, because Africa has more hot climate than Asia.

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In first mission of 2018, ISRO launches 100th satellite By ET Online | Updated: Jan 12, 2018, 09.55 AM IST PSLV-C40 lifted off successfully today from Sriharikota in Andhra Pradesh. The Polar Satellite Launch Vehicle or PSLV-C40 lifted off successfully today from Sriharikota in Andhra Pradesh. The  PSLV  carries  31 satellites  in total from countries including India and six other countries. Among is the satellites that the PSLV is carrying is India's 100th satellite,  Cartosat 2  -- a  surveillance satellite . The satellites are to be launched in two orbits which makes the mission a unique one according to scientists. This mission will be the longest flight of the four-stage Polar Satellite Launch Vehicle (PSLV), at two hours, 21 minutes and 62 seconds. It will also be the first mission after the failure of the PSLV on August 31, 2017, where the heat shield malfunctioned, as a result of which the satellite failed to enter orbit. It...

Why do houseflies rub their front legs together? Housefly (Musca Domestica) is a common insect found in all places. It has a very short life span. Adult houseflies feed on human and animal food and waste materials and often use buildings as shelter. The housefly is well adapted in structure and behaviour to transmit disease causing organisms from place to place. The body of a housefly is covered with fine hairs and bristles that readily pick up filth particles. At the base of each leg there is a cushion-like structure covered with granular hairs.A sticky secretion which excretes from the granular hairs gathers bacteria and other micro organisms which stick to the legs. In order to clean its body and the legs, houseflies rub their legs together. It is estimated that whenever a housefly rubs its legs, lakhs of bacteria are discharged from the legs for each rubbing.