Check out the Cyber Month Deal on NordVPN! Go to https://NordVPN.com/sabine to get a 2-year plan plus 1 additional month with a huge discount. The Havana Syndrome was first reported in 2016, but by now more than two dozen cases have been reported all over the world, not only in Cuba but also in Russia, India, Austria and the USA. In this video, I go through the 3 most plausible explanations that have been put forward: mass hysteria, microwaves, and ultrasound, and discuss what speaks for and against them. The BBC article about the recent case in India which I mention in the intro is here: https://www.bbc.com/news/world-us-canada-58632145 The paper with the brain scan results is here: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6652163/ The recent article in the NYT that I mention is here: https://www.nytimes.com/2021/10/26/opinion/havana-syndrome-disorder.html The article in the Guardian about the size of sonic weapons is here: https://www.theguardian.com/science/2021/jun/02/microwave-weapons-havana-syndrome-experts The book by James Lin is here: https://www.springer.com/gp/book/9783030645434 And his recent paper here: https://ieeexplore.ieee.org/document/9366412 The paper which compared the AP recording to cricket sounds is here: https://www.biorxiv.org/content/10.1101/510834v1.full.pdf You can support our channel on Patreon: https://www.patreon.com/Sabine Many thanks to Jordi Busqué for helping with this video http://jordibusque.com/ 0:00 Intro 2:18 Mass Hysteria 6:08 Microwaves 10:32 Ultrasound 11:41 So, well 13:12 Sponsor Message #science