Dan Falk
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What’s Wrong with Having an AI Friend?
Psychologist Paul Bloom on why chatbots make good companions. And why they don't.
Lucy at 50
Donald Johanson reflects on his fossil discovery that shook the human family tree a half century ago.
What Counts as Consciousness
Neuroscientist Christof Koch on human minds, AI, and bacteria.
10 Brilliant Insights from Daniel Dennett
A glimpse of a mind jammed to the rafters with ideas.
Audio Feature: The Puzzle of Free Will
Tune in to an exploration of one of the great quandaries in science and philosophy.
Yes, We Have Free Will. No, We Absolutely Do Not
A volley of new insights reignites the debate over whether our choices are ever truly our own.
A Surprising Side of Carl Sagan
In <i>Contact</i>, the great science advocate posed a religious question about the cosmos.
The Simulated World According to David Chalmers
Don’t worry, even in a simulation, life is still perfectly meaningful.