Mark writes in with information about dangerous chemical exposure to veterans. North Ireland Fan asks why her government wants everyone to buy candles. Big Purp prompts a conversation about North Sentinel Island and the nature of language. Ground Control and Soup Sandwich share their first-hand experiences with airplane safety. All this and more in this week's listener mail segment.

The Legacy Program, Chapter Two: How Aliens (Could) Work
58:31

CLASSIC: Plastics, Microplastics and Conspiracy
51:37

The Legacy Program, Chapter One: Fact and Fiction
1:20:34