Why do they call it PLASTIC surgery? It seems like a weird word to use. What’s even weirder is that the term goes back a couple of centuries, even before we had plastic as we know it today. This episode begins with an explanation and once you hear it, it’ll all make sense. Source: Lindsey Fitzharris author of The Face Maker (https://amzn.to/3x3IP69).

What does the word “evil” mean when you hear it? What is evil? Is it some sinister force in the universe? Is it even possible to explain what it is? What makes someone do cruel and evil things? Perhaps evil isn’t something itself but the result of something else. Listen to my conversation with Simon Baron Cohen, a professor of developmental psychopathology at the University of Cambridge and author of four books including The Science of Evil: On Empathy and the Origins of Cruelty (https://amzn.to/3tf4ffC).

Most people in the world know how to ride a bike. It is the most popular means of transportation on earth. And it makes you wonder how that happened so fast. The modern bicycle was invented not all that long ago – yet there are now twice as many bicycles as cars in existence. You are about to discover that the history of the bicycle is more interesting than you ever knew. Listen as I discuss this with Jody Rosen, a writer for The New York Times magazine and author of the book Two Wheels Good: The History and Mystery of the Bicycle (https://amzn.to/3NuAoaU).

If you live in or visit a place that has fireflies (or lightning bugs), you know they are fascinating to watch. However, the population of fireflies is diminishing. Listen as I explain why this is happening. http://www.firefly.org/how-you-can-help.html

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