Uncover one of history's most bizarre unsolved mysteries - The 'Mad Gasser of Mattoon'! In September 1944, a sweet odor filled the air in Mattoon, Illinois, leaving people paralyzed. Despite numerous reported cases, police found no evidence and the culprit remains unknown. Was it mass hysteria or something more sinister? Tune into this week's episode of The Weirdest Thing I Learned This Week to learn more about this fascinating case.

Source: https://www.popsci.com/science/mad-gasser-of-mattoon-weirdest-thing/