May 18, 2010 marked the 50th anniversary of one of the most remarkable events in the history of science the invention of the laser.

Count Dracula, the most famous villain of the Hollywood horror films, hates light and brightness. He cannot stand the bright light of day.

Robert Stevenson, a native of Scotland, wrote a very interesting adventure story called ‘Treasure Island’ many years ago. The story, first published in 1883

What is a bird? As per the definition given by the Ornithologists, a warm-blooded, egg-laying, bipedal vertebrate, distinguished from other vertebrates by feathers, beak and wings is called a bird.

According to the recorded history Persia’s Muhammad Ghori was the first to invade India and conquer Delhi in 1193. The northern India was thus brought under the heels of Delhi Sultanate. Rulers of the dynasties like Khilji, Tughlaq, Sayyid, Lodi, Suri and the Mughal gained ascendancy gradually throughout India over a period of time.

Water from melting polar caps and glaciers is gushing to oceans and raising the average level of seas. It is estimated that by the end of the 21st century the ocean level will rise by 1 metre. Many oceanic islands are going to be engulfed by the ocean and the low-lying coastal areas will go underwater—permanently!

Questions & Answers

On August 15, 1947 India gained independence followed by the partition of the country. The British ruled the nation for nearly 200 years and when they left, they divided it into two.