The Boldest Ideas Scientists Tested On Themselves

To be human is to be curious. Our constant interrogation of the world around us has led to pretty much every bit of knowledge we hold as a species. This is what scientists do, through carefully controlled experiments and quantitative data collection. Some questions, though, have been deemed too dangerous, or too foolish to pursue. What's a passionate scientist to do when society frowns upon their research? Put themselves under the microscope, of course. For centuries, researchers have bee