The conjuror or con man is a very good provider of information. He supplies lots of data, by inference or direct statement, but it's false data. Scientists aren't used to that scenario. An electron or a galaxy is not capricious, nor deceptive; but a human can be either or both.
James RandiThe problem with experiments has always been that human beings make the decisions on whether or not the animals have benefitted from the treatment.
James Randi