It seems this hypothesis has been dismissed: https://www.bbc.com/news/science-environment-22355515 https://www.bbc.com/news/science-environment-22355515 https:/

It seems this hypothesis has been dismissed: https://www.bbc.com/news/science-environment-22355515 https://www.bbc.com/news/science-environment-22355515 https://www.livescience.com/29130-toba-supervolcano-effects.html https://www.livescience.com/29130-toba-supervolcano-effects....