Does quantum mechanics actually imply that every possible outcome of every decision happens somewhere in an expansive reality? And if so, what does that mean for probability, free will, and …

What do aerobic exercise and memory have in common? According to neuroscientist Wendy Suzuki, more than you think. Her passion for the human brain, memory, and exercise are inspiring people …

We spend a third of our lives asleep. Every organism on Earth—from rats to dolphins to fruit flies to microorganisms—relies on sleep for its survival, yet science is still wrestling with a fundamental question: Why does sleep exist?