11. Crash Course Big Questions on US Government Preview Welcome to Crash Course Big Questions on U.S Government! In this series, we’ll be exploring big questions and misconceptions about how our government operates, from partisan divisi 09/16 00:00 ♡
12. How Do Fossils Form?: Crash Course Geology #18 Everybody dies, but few fossilize. In this episode of Crash Course Geology, we’ll learn how fossils form and why they’re so rare. Although very few living things ever become fossil 09/11 00:00 ♡
13. How old is the Earth?: Crash Course Geology #17 What do iron deposits, fossils, and radioactive meteorites have in common? They’re all keeping records of our geologic history, the unimaginably long period of time that our Earth 09/04 00:00 ♡
14. Let's Go on a Field Trip! Dwayne ventured out of the Crash Course studio to learn more about stratigraphy with @eons host Kallie Moore! We can see different features in this formation in Southwest Montana t 09/02 00:30 ♡
15. Earthquake Resistant Buildings Earthquakes can happen anywhere on Earth, at any time—and unfortunately, we have no way of predicting exactly when or where. But by studying and tracking seismic data, scientists c 08/26 03:00 ♡
