Inventors and scientists have an insatiable curiosity to know more about things. Their curious minds are not content by asking the same set of questions that everyone asks. Their curiosity drives them to ask different types of questions. When others see things and accept them as usual, day-to-day happening, scientists find them intriguing. When a fruit falls from a tree, there is nothing unusual about it. But when an apple fell on Newton’s head, it triggered a series of questions that resulted in the discovery of the law of gravity.
