Welcome back, Walljangers! In episode #569 of the Mattcast, we are tackling a massive lineup of completely different stories, breaking news, and bizarre history lines from across the web: The World's Oldest Plague: We uncover the chilling historical footprint of the oldest known plague and explore the fascinating way it tripled global migration patterns. Freezing Light into a Solid: A deep dive into a wild breakthrough in physics where scientists successfully froze light into