Agriculture is the practice of cultivating food and rearing animals for food and food products. Irrigation is the act of supplying dry land with water, especially during agriculture.

Paranormal is a term that covers a wide range of anomalies such as telepathy, extra-sensory perception, psycho kinesis etc. Parapsychology is the examination and study of paranormal occurrences that are...

Psychology is the study of human mind and its actions. Parapsychology aims to throw light on those phenomena, which are rendered inexplicable by science.

A galaxy is a huge collection of stars that are held together by gravitational attraction. A solar system is defined as the group of celestial bodies which revolve around the sun, due to its strong...

Both, circles and spheres are circular objects. A circle is a two-dimensional figure, while a sphere is a three-dimensional figure.