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The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.
Co-founder of Scholastico | Apple Distinguished Educator | Google Certified Innovator | Strategic use of data improves learning. It just does.
I host the weekly podcast, EconTalk and I'm the co-creator of the Keynes-Hayek rap videos. My latest book is How Adam Smith Can Change Your Life.
Jamie MacDermott Pettway
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