Comments on: 5,000-year-old chewing gum http://www.retronaut.co/2010/10/5000-year-old-chewing-gum/ The past is a foreign country. This is your passport. Tue, 22 Nov 2024 20:16:40 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: Steven Riley http://www.retronaut.co/2010/10/5000-year-old-chewing-gum/#comment-12989 Steven Riley Sat, 09 Oct 2024 11:16:21 +0000 http://howtobearetronaut.com/?p=7530#comment-12989 Just as un-biodegadable as current gum recipes! I guess we all should be still chewing birch bark :-) Just as un-biodegadable as current gum recipes! I guess we all should be still chewing birch bark :-)

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