Link 4b Vetruvius

http://en.wikipedia.org/wiki/Vitruvian_Man

Link 4a William McDonough

http://www.ted.com/talks/william_mcdonough_on_cradle_to_cradle_design.html

Link 3c Olafur Eliasson

http://www.ted.com/talks/lang/en/olafur_eliasson_playing_with_space_and_light.html

Link 3b the Moon

http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question43.html

Link 3a Starchild

http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question3.html

Link 2c pasta

http://www.nytimes.com/2012/01/10/science/pasta-inspires-scientists-to-use-their-noodle.html?_r=1&scp=1&sq=pasta%20math&st=cse

Link 2b Margaret Wertheim

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