Humanity may be doomed to die in nuclear war—unless we act soon, physicist David Gross says
David Gross, a celebrated U.S. theoretical physicist, calls himself an optimist—especially concerning the future of his field. He’s certain that somewhere out there lurks a final, unified theory of nature, just waiting to be discovered. But he’s pessimistic about our chances of actually discovering it; on balance, he estimates, it’s more likely that we’ll destroy…
