published on: 2015-04-26 17:34:40
aurorae: by JiangNan Dream
factsandchicks: Spider Silk is so strong it has been theorized
wobba1: http://wobba1.tumblr.com
uncleostrich.tumblr.com/post/117454698097/
uncleostrich.tumblr.com/post/117454714527/
uncleostrich.tumblr.com/post/117454731752/