A View of the Clouds From Above

“For every PhD there is an equal and opposite PhD.”

“It’s a true fact, but a bizarre one, that the reason why hundreds of thousands of people died in Hiroshima and Nagasaki rather than Kyoto and Kokura, is because of a 19-year-old vacation and a passing cloud.”

All stars shine due to an internal source of energy. Usually, it’s nuclear fusion: converting mass into energy. What makes them most bright?

What happens when scientists “write what they know”? Some amazing science fiction stories.

Arendt thought 20th-century philosophy had become too passive and abstract. She called for “active thinking” that prepares us to live in the real world.