Lichens are a complex life form that is a symbiotic partnership of two separate organisms, a fungus and an alga. The dominant partner is the fungus, which gives the lichen the m...

Object permanence means knowing that an object still exists, even if it is hidden. ... For example, if you place a toy under a blanket, the child who has achieved object permane...

origin is the beginning of something while nationality is membership of a particular nation or state, by origin, birth, naturalization, ownership, allegiance or otherwise.

Learning is a continuous process of life, the pinnacle of the attitude and vision of the universe. The learning is the only thing which distinguishes humans from animals. ... Th...

There are several advantages, both for businesses and consumers, for using UPCs. Since UPCs help barcode scanners identify a product and its cost, UPCs help improve checkout spe...

The longest side of a right- angled triangle is called the hypotenuse, which is always opposite the right-angle. In any right- angled triangle,the area of the square on the hypo...

One of the most famous and useful theorems in mathematics, the Pythagorean Theorem, is about triangles. Specifically, the Pythagorean Theorem is about right triangles, which are...

The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also...

Chandra Gupta I, king of India (reigned 320 to c. 330 ce) and founder of the Gupta empire. He was the grandson of Sri Gupta, the first known ruler of the Gupta line. Chandra Gup...