Rock stars, cat poop, and falling to your death

A rock-n-roll tribute to space exploration, how cat poop could make you a successful entrepreneur, and the science of falling to your death. All sorts of links for the New Horizons story, including the official page of the spacecraft: http://pluto.jhuapl.edu/ Here's the story about Brian May's visit, and the video of his song, New Horizons: https://www.space.com/42875-brian-may-new-horizons-song-ultima-thule-flyby.html In case you thought I was kidding about the cat poop stuff, nope. Here's the, um, poop on the whole thing: https://www.popsci.com/toxoplasma-gondii-parasite-risk-taking Hank Green says, "Not so fast with that cat poop stuff." You can see his video right here: https://www.youtube.com/watch?v=FNm_MjrIUAI Thanks as always to Charlie Keaton for the Newz For Nerdz theme.