What It Means to be a Scientist

In reality, scientists are just people like you and me. Most of us don't wear lab coats (I don't) or work with bubbling beakers or sparking van de Graf generators (unless they are chemists or physicists who actually work with that equipment). Most scientists are not geniuses either. It is true that, on average, scientists tend to be better educated than the typical person on the street, but that education is a necessity to learn all the information that allows a scientist to make discoveries....

 Karl Popper's Conclusions About Good Theories

It is easy to obtain confirmations, or verifications, for nearly every theory — if we look for confirmations.     Confirmations should count only if they are the result of risky predictions; that is to say, if, unenlightened by the theory in question, we should have expected an event which was incompatible with the theory — an event which would have refuted the theory.     Every "good" scientific theory is a prohibition: it forbids certain things to happen. The more a theory forb...