Two teams will compete to see which one can, in 45 minutes, best diagram a 100-word sentence crafted by the other. This is their penultimate meeting; next week will be the final exam. Their ...

When astronomers invented the diagram, no one knew why the sun and other stars ... so how can a cool red star shine 100 or even 10,000 times more brightly than the sun? The answer is that these ...

there is something appealing about his diagrams. We can almost imagine how a student of metaphysics might make perfect sense out of one state of consciousness working like a petalled bowl and ...