He often used analogies and simple examples to illustrate complex ideas. For instance, in his famous lectures on physics, Feynman compared the scientific method to solving a puzzle.

For example, in our work in early oncology clinical trials, we only have data on about 20 patients, so we tend to use theory-based models. The general rule is that you need lots of data or a ...

Until today, skin, brain, and all tissues of the human body were difficult to observe in detail with an optical microscope, ...