Why are clouds white?

Clouds appear white because the light coming from the sun has to pass through the water droplets and ice crystals or we can say that the seven colors of visible spectrum (red, orange, yellow, green, blue, indigo, violet) which when combines forms white light and […]

How much water is on earth?

Water is the most important substance on the earth required by all the living organisms whether human beings, plants or animals. We cannot imagine life on earth without water. 72% of the earth surface is occupied by the water bodies. It approximately 336,000,000,000,000,000,000 gallons which […]

How does hair grow?

Growth of hair is dependent on the factors like weight, age, metabolism, hormone, medications etc. all our body hair has to go through three phases. Before this let us understand how it starts. First of all a hair follicle is formed, pouch like structure under […]