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Many Minds

Apr 4, 2024

Hi friends, we're busy with some spring cleaning this week. We'll have a new episode for you in two weeks. In the meanwhile, enjoy this pick from our archives!

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[originally aired Nov 30, 2022]

When we talk about AI, we usually fixate on the future. What’s coming next? Where is the technology going? How will...


Mar 21, 2024

We've all seen those illusions. The dots seem to dance, when in fact they're completely still. The lines look like they bend, but in reality they're perfectly straight. Here's the thing: It doesn't matter that you know the ground truth of these illusions—the dancing and bending won't stop. And that we see the world...


Mar 7, 2024

If you want to have a rich social life, you're going to need to know who's who. You'll need to distinguish friend from foe, sister from stranger. And you're going to need to hold those distinctions in your head— for at least a little while. This is true not just for humans but—we have to assume—for other social...


Feb 22, 2024

Brains are not cheap. It takes a lot of calories to run a brain, and the bigger your brain, the more calories it takes. So how is it that, over the last couple million years, the human brain tripled in size. How could we possibly have afforded that? Where did the extra calories come from? There's no shortage of...


Feb 8, 2024

Where do memories live in the brain? If you've ever taken a neuroscience class, you probably learned that they're stored in our synapses, in the connections between our neurons. The basic idea is that, whenever we have an experience, the neurons involved fire together in time, and the synaptic connections between them...