Ariel creates short, funny videos where she geeks out about outer space on her YouTube channel. She’s also the producer and host of Offworld, a show about all things space exploration and pop culture on Tested, Mythbusters’ Adam Savage’s YouTube channel with over 3 million subscribers. Below are a few samples where she has fun chatting about the awesomeness of neutrinos, moons, black holes and the sci-fi thriller Sunshine.