Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, con...

In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nu...

The universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. The Big Bang theory is the prevailing cos...

The closest planet to the Sun is Mercury. And then, the second the nearest planet to the Sun is Venus, and the third the nearest planet to the Sun is Earth.

By definition, a star is a celestial object that emits its own light due to a chemical reaction at its core. ... A planet is a celestial body that orbits around the star in its...

Convection is single or multiphase fluid flow that occurs spontaneously due to the combined effects of material property heterogeneity and body forces on a fluid, most commonly...

Mercury is the closest planet to the sun. As such, it circles the sun faster than all the other planets, which is why the Romans named it after their swift-footed messenger god....

अम्ल (ऐसिड) उन पदार्थों को कहते हैं जो पानी में घुलने पर खट्टे स्वाद के होते हैं (अम्ल = खट्टा), हल्दी से बनी रोली (कुंकम) को पीला कर देते हैं,तथा इनका जलीय विलयन नीले लिटमस पेप...

Adaptation is an evolutionary process where a plant or an animal becomes suited to living in a particular habitat. These are changes that take place over many generations throug...