Overview: In episode 43 of SciTech Now, reporter Andrea Vasquez takes us to the world of 3D printing at the Inside 3D Printing Conference and Design Expo in New York City; Eric Arndt of MIT discusses the unique bombardier beetle; Adam Obeng of Columbia University discusses his new app Chirp; a hospital in Florida is developing a new parachute implant for patients suffering from heart disease; and a New Jersey high school is revolutionizing the study of biology with the BioDome: a home for plants and animals.