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Everything you know has an expiration date

3D rendering of a dinosaur Deinonychus Antirrhopus isolated on white background
Vac1 / iStockphoto
/
Getty
Ya know how dinosaurs were green, scaly lizards? Nope. Not so much. This is a 3D rendering of what we (now) think Deinonychus Antirrhopus probably looked like during the Cretaceous Period, around 110 million years ago.

In April, 2010 13 years ago this month we did a segment on the concept of the mesofact, a certain kind of data point that feels fixed even though its actually always slowly changing. (Id add a link to that show, but our archive doesnt actually go back that far.) And weve gone back to the idea every now and again ever since.

Think about things like the world population or the Periodic Table of the Elements. Or think about our understanding of the health and nutritional value of red wine. Or coffee. Or how Brussels sprouts . Or what dinosaurs are supposed to look like.

This hour, an update on a bunch of mesofacts that wed probably all lost track of, including and .

GUESTS:

  • Samuel Arbesman: A scientist and writer; he is the author of  and 
  • Jennifer Schuessler: A culture reporter covering intellectual life and the world of ideas for The New York Times
  • Maddy Witt: An educator at the  in Ely, Minnesota

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Colin McEnroe and Cat Pastor contributed to this show.

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Jonathan is a producer for The Colin McEnroe Show. His work has been heard nationally on NPR and locally on 窪蹋勛圖厙s talk shows and news magazines. Hes as likely to host a podcast on minor league baseball as he is to cover a presidential debate almost by accident. Jonathan can be reached at jmcnicol@ctpublic.org.
Carolyn McCusker helps produce The Colin McEnroe Show. She loves making true radio stories and listening to fake ones. In the past, shes worked for NPR and WNYC, and shes glad to be back at CT Public after interning in 2019. Carolyn can be reached at cmccusker@ctpublic.org.
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