Why do people cry?

Both animals and humans can produce tear but the reason for tears can be different in both of them. Tear ducts are present below the upper eyelid which lubricates and protect our eyes from the dust particles. Human eyes produce three types of tears i.e. […]

Why is the ocean salty?

Everybody has different stories and mythological beliefs that why ocean is salty but scientific reason behind it is that some carbon dioxide is dissolved in the rain from the surroundings and water becomes slightly acidic because carbonic acid is formed with carbon dioxide and water. […]

Who invented basketball?

Dr. James Naismith, who was a Canadian physical instructor and a teacher at YMCA training school in Massachusetts, invented the game of basketball. Invented in the year 1891, basketball was then known as ‘Basket Ball’. The Invention Dr. James Naismith was given the task of […]