Sun is 149.6 million km away from earth. And the moon is 384,400 km from earth. Therefore, they appear the same size from earth. A solar eclipse occurs when the moon passes in a direct line between the Earth and the sun. So, Why there is no eclipse every month? Because moon...
Read More4.5 billion years ago a young planet veers into the earth orbit. The small planet about the size of mars collides with the earth and smashing together into one molten mass. That small planet was Theia. Due to that collision, the earth tilted 23.5°. And we get our seasonal...
Read MoreOur sun formed about 4.5 billion years ago in Milkyway galaxy, Orion spur. Sun has 91% Hydrogen, 8.9% helium, 0.1% heavier elements. In the core of the sun, temperature reaching at least 15 million degrees Celsius. Combining with the Sun’s powerful gravity fused hydrogen molecule to create helium this...
Read MoreYou probably have seen this human-size bat on the internetThese are called flying foxes and yes it is real! This photo is from the Philippine which is posted on a couple of years ago on Reddit. These flying foxes are fruit-eating bat(Only 3 species of bat drink blood). In...
Read MoreYou probably have seen this cute picture of a baby holding his mom contraceptive. What actually contraceptive is? Concentration helps to avoid pregnancy and sometimes from sexually transmitted disease (STD). there are many contraceptive like condoms, the morning after pills, vasectomy, intrauterine device(IUD), and many more. So we are...
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Sunscreen is a lotion that absorbs or reflects some of the sun’s ultraviolet (UV) radiation. So what is UV radiation? The electromagnetic spectrum covers all types of radiation. Starting from radio waves which are used in radio transmission, microwave used in the microwave for heating, infra rays which are...
Read MoreA major reason may researchers think that we experience boredom is because it gives you an indicator of your current state. If you find yourself bored that means that situation is not working for you. It makes you tired and disinterested in that situation. But it also pushes you...
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The primary function of the liver is to detoxify and purify the blood. It means that things that are not digested come into the liver. There are many liver problems these days not because of alcohol but because of sugar. (alcohol is also very harmful) A substance present in...
Read MoreAssumption 1: Does it come from Soil?Trees root must be taking something from the soil is it the big mass? In 1634, Jan Baptist van Helmont experimented on plants. He weighed a willow tree and weighed dry soil. He planted the tree, watered it, and then left it for...
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The first civilization historians have documented using a toothpaste-like mixture to brush their teeth is the Egyptians. It is believed to have been used as early as 5,000 BC, though the first recorded formula dates back to 4 AD. Toothpaste has come a long way from crushed bone and...
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