We’re clearing out our inbox and answering some of your burning follow-up questions for our last episode of 2019. Guests: Captain Nick Anderson, retired Virgin-Atlantic airline pilot, Airline Pilot Guy Show; microbiologist Jenny Hayden, Cedar Crest College; Jason Torchinsky, senior editor at Jalopnik. Thanks to callers Mattie, Toku, Piper, Aviv, Meghan, Anna, Liz, Kathi and Carl.