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.

A mouthguard, also known as a mouth protector, mouthpiece or gum shield, is a device

Ocean waves are basically disturbances on the surface of ocean water.

Cyclones developing over the north Indian Ocean including the Arabian Sea and Bay of Bengal

Seas across the world are polluted beyond imagination and when strong waves come onto the

Birds’ feathers are fairly waterproof and can trap air against their body to help them

A bio-bubble is a restricted area or environment, also known as an invisible shield, which