Some scientists think tectonic plates are a prerequisite for life as we know it. Learn what we know about plate tectonics elsewhere in our solar system in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/is-earth-only-planet-with-tectonic-plates.htm

Deinonychus: The Dinosaur That Sparked a Renaissance
08:04

How Do Scales Measure Weight?
09:30

How Did the Penn Center Become a Civil Rights Sanctuary?
09:53