Science is too often presented either as a huge database of facts or as an endeavor that is open only to a highly educated group of elite thinkers. It is neither of these. In its essence, science is a process, a way of looking at a question and finding an answer.

Step-by-step, scientists look at a problem and ask, “How can I test this to see if it is true?” Asking one question at a time, they have built a body of knowledge too vast to be held in single library.