Surprise! From now on I'll be trying my best to upload twice a week, starting with this video. In this one we look at the scary idea of an apocalypse scenario triggered by nuclear war. How many nukes would it take to eradicate humanity as a species? Sources Cited and Further Reading: http://onlinelibrary.wiley.com/doi/10.1002/2013EF000205/full http://nuclearsecrecy.com/nukemap/ http://www.pbs.org/wgbh/amex/bomb/sfeature/1mtfall.html https://worldofweirdthings.com/can-we-really-end-civilization-with-nukes-ddf9b1b61030#.q3wvr0c7j Music: www.bensound.com Follow Second Thought on Social Media! Twitter: https://twitter.com/_SecondThought Facebook: https://www.facebook.com/secondthoughtchannel/ Support Second Thought on Patreon! https://www.patreon.com/secondthought