Discovery Channel – 2012 Apocalypse [4/5] HD admin | April 23, 2010 | ITech-Videos | No Comments December 21 2012. Doomsday fanatics claim that this is when life on Earth will come to an end. But what does science have to say about this looming apocalypse What real threats could possibly bring about cataclysmic changes on Earth in 2012. Tags:2012, Apocalypse, channel, Discovery Add a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment:*Name:* Email Address:* Website: Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.