¹ http://archimedespalimpsest.org/about/history/archimedes.php

² http://www.math.nyu.edu/~crorres/Archimedes/Crown/CrownIntro.html

³ http://www.scientificamerican.com/article.cfm?id=origin-of-oxygen-in-atmosphere

⁴ http://www.nasa.gov/offices/oct/home/tech_life_oxygen.html

⁵ http://www.nasa.gov/mission_pages/MRO/news/mro20120911.html#.UdiwGvmORv8

⁶ http://icecap.us/index.php/go/joes-blog/the_worlds_oceans_are_rising_more_than_twice_as_fast_as_they_were_in_the_19/

⁷ http://ocean.nationalgeographic.com/ocean/critical-issues-sea-level-rise/

⁸ http://www.biography.com/people/walt-disney-9275533

⁹ http://www.cryonics.org/bio.html#Robert_Ettinger

¹⁰ http://www.heart.org/HEARTORG/Conditions/Cholesterol/Cholesterol_UCM_001089_SubHomePage.jsp

¹¹ http://www.heart.org/HEARTORG/Conditions/Cholesterol/Cholesterol_UCM_001089_SubHomePage.jsp