The Psychology of Crowds & Where Did Life Com...

Few foods are as American as the hamburger. Every year, Americans eat billions of them, and they are a staple at backyard barbecues, diners, ballparks, and restaurants around the world. Yet despite being one of the most recognizable foods on the planet, no one seems to agree on w ...  Show more

Take a look at your speedometer the next time you're driving. Chances are, it's lying to you. The speed you're actually traveling is probably different from what the dashboard says—and that's completely intentional. https://en.wikipedia.org/wiki/Speedometer?utm From the time we'r ...  Show more

We talk about why it’s so enjoyable to read a book that sheds a light on how things work. We also share a hack for making driving more pleasant, as well as an easy and fun hack for sparking creativity. Plus we ask: Does your sleep feel heavy or light? Get in touch: podcast@gretch ...  Show more

We discuss the role of crowds in modern life 

What is the combined motion of everything in the universe? How does all of that influence us? Are we just going around in circles, or is there something more? I discuss these questions and more in today's Ask a Spaceman!

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Have you ever added a strange fact to a book? How does a teacher inspire their students? How do I figure out if NASA has aliens? Do lobsters feel pain? How do I focus on one book at a time? How do I keep my family from bringing a siege engine to my wedding? How do I tell someone ...  Show more