In a battle between the humanities, sciences, and social sciences, who should survive for the sake of humanity?

A quarter of a century ago a conjec­ture shook the world of theoretical physics. It had the aura of revelation. “At first, we had a magical statement ... almost out of nowhere,” says Mark Van ...

To settle a long-standing physics debate, I did something few would even attempt — I rented a helicopter. What began as a ...