Hosts Ben Brock Johnson and Amory Sivertson dig into the internet's vast and curious ecosystem of online communities to find untold histories, unsolved mysteries, and other jaw-dropping stories online and IRL.
https://www.wbur.org/podcasts/endlessthread
episode 16: That Old Chestnut
One of the nuttiest stories of near extinction and resurrection ever seen in the United States. It involves genetic engineering, warring factions of tree enthusiasts, and a mysterious, destructive power that started at the Bronx Zoo.