New additions to the dictionary are not unheard of, especially now, with numerous words and

Many years ago, it was thought that left-handedness and dyslexia caused young children to write

Pop Rocks are a favourite candy because of the popping sensation they create in the

Human hair colour can vary from blonde to red, brown and black.

If the Earth stopped rotating, we would face catastrophic consequences.

A pulse oximeter is used to measure the heart rate (pulse) and oxygen saturation levels.

Older theories say that a single dog year is equivalent to seven human years.

Asked by Aayan Kumar PG, Class 1, Hyderabad

When human beings breathe, they take in oxygen (O2) from the air that travels through

The Olympics logo consists of five different coloured interlaced rings of equal dimension.