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Features

The Elusive Theory of Everything

Physicists have long sought to find one final theory that would unify all of physics. Instead they may have to settle for several

By Stephen Hawking and Leonard Mlodinow

How We Are Evolving

New analyses suggest that recent human evolution has followed a different course than biologists would have expected

By Jonathan K. Pritchard

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The Essential Guide to the Modern World

The Essential Guide to the Modern World