Last Unknowns

Discover the universe''s last unknowns—here are the unanswered questions that obsess "the world''s finest minds" (The Guardian)

Featuring a foreword by DANIEL KAHNEMAN, Nobel Prize-winning author of Thinking, Fast and Slow

This is a little book of profound questions (only questions!)—unknowns that address the secrets of our world, our civilization, the meaning of life. Here are the deepest riddles t...