Giant hole in Siberia may be because of global warming as new details emerge : SCIENCE : Tech Times

http://www.techtimes.com/articles/10770/20140719/giant-hole-in-siberia-may-be-because-of-global-warming-as-new-details-emerge.htm

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Enjoy Pooh quotes: A.A. Milne, Winnie-the-Pooh

"To the uneducated an A is just three sticks." 
― A.A. Milne, The World of Winnie-the-Pooh