This week on The Cosmic Companion, we take on a weighty subject — gravity. Later in the show, we are going to talk with Joe Swiggum from the NanoGrav Collaboration.Gravity is one of those things that we all know about, but when you really stop to think about it, it’s pretty mind-boggling. I mean, there’s this invisible force that keeps us all stuck to the ground and makes things fall when we drop them. How wild is that? Get full access to The Cosmic Companion w/ James Maynard at thecosmiccompanion.substack.com/subscribe