484- Dear Hank and John and Roman

Published: March 30, 2022, 12:08 a.m.

b"So why don't we have mouth Roombas? Is the universe full of chickens? What scientific advances are happening? What was the first internet purchase? How do I convince my parents to let me check a bag? What is Twitter? What's the difference between a telescope and a camera? Are sea monkeys natural? Hank Green and Roman Mars have answers!"