Vote here: Alex explains how the watermelon evolved in it’s uses and became the summer treat we know and love. Mike shares about an uptick in goiters in the Mid-west that brought about the implementation of iodized salt. Pat reveals the story of a little-known war in Alberta, Canada that was waged against foreign rat invaders. Facebook/Instagram/Twitter: @factoffpod Email: [email protected] Learn more about your ad choices. Visit megaphone.fm/adchoices