23 March 2016
Could an encounter with a passing dark molecular cloud be responsible for killing off the dinosaurs?
.... Nimura and colleagues cite the cases of Pinatubo and the Toba super eruption, that occurred in June 1991 and around 71 ... and where 800 km3 of the total erupted magma from the Toba eruption was deposited as ash fall. The team state that although...
15 March 2021
Engineers propose a "Lunar Ark" to preserve millions of species' DNA on the Moon
... engineering in the UArizona College of Engineering. "As humans, we had a close call about 75,000 years ago with the Toba supervolcanic eruption, which caused a 1,000-year cooling period and, according to some, aligns with an estimated drop...