Even as you read this very sentence, you may be an unwitting victim of the attention merchants — those sneaky and subversive salespeople who attract your attention and then resell it for a profit.
Intelligent. Optimistic. Curious.
Science
How does it feel to know that the commodity everyone wants is inside your skull? This hour, we focus our attention — on attention.
We all think about time but probably not as deeply as the groundbreaking theoretical physicist Lee Smolin. Smolin has created a radical new view of the nature of time and the cosmos. He lays it out in a book called "Time Reborn: From the Crisis in Physics to the Future of the Universe."
Maybe time has its origins in grief and longing for people we've lost. That idea certainly resonates with theoretical physicist Ron Mallett. He's spent a lot of his career studying time — which he traces back to the tragedy that marked his childhood.
This hour, we explore our obsession with time travel. Why is such a recurring them in movies and TV shows? And what can time travel teach us about ourselves?
What separates your mind from an animal's? It's a question we've all asked, but renowned primatologist Frans de Waal says there's no point trying to rank who's smarter or dumber in the animal world. In fact, he believes there's no clear dividing line between humans and the rest of the animal world.
Biologist Merlin Tuttle braves crocodile-infested rivers, dark caves, and even bandits to find rare bats.
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