Thanks to Cancer Research UK! http://www.cancerresearchuk.org/ Links to LEARN MORE and SOURCES are below. follow me: http://www.twitter.com/tweetsauce What is cancer? http://www.cancerresearchuk.org/cancer-info/cancerandresearch/all-about-cancer/what-is-cancer/ http://www.cancerresearchuk.org/cancer-info/cancerstats/keyfacts/ http://en.wikipedia.org/wiki/Hallmarks_of_cancer Visualizing the prevention of cancer: http://www.cancerresearchuk.org/cancer-info/cancerstats/causes/attributable-risk/visualisation/ 10 cancer MYTHS debunked: http://scienceblog.cancerresearchuk.org/2014/03/24/dont-believe-the-hype-10-persistent-cancer-myths-debunked/ other cancer articles: http://www.slate.com/articles/health_and_science/science/2014/02/deadliest_cancer_chart_shows_mortality_and_incidence_rates.html http://www.nytimes.com/2014/01/05/sunday-review/why-everyone-seems-to-have-cancer.html?=ref=opinion&_r=6& http://www.pbs.org/wgbh/takeonestep/cancer/interviews-demetri.html http://www.huffingtonpost.com/bill-couzens/cancer-an-inevitable-stag_b_4558325.html http://www.wired.com/2013/05/al_argcancer/ http://www.theguardian.com/environment/2011/may/06/nuclear-power-leukaemia Stirling Engine: http://www.grand-illusions.com/acatalog/Low-Temperature-Stirling-Engine-612.html Stirling Engine: VIDEO: https://www.youtube.com/watch?v=zCGTNArwJ0s dying cells: http://www.ncbi.nlm.nih.gov/pubmed/16355657 dead outer-layer of skin (the HORNY layer): http://en.wikipedia.org/wiki/Stratum_corneum human skin in dust: http://ohioline.osu.edu/hyg-fact/2000/2157.html mistakes in DNA replication: http://www.nature.com/scitable/topicpage/dna-replication-and-causes-of-mutation-409 how long it takes cells to divide: http://www.wisegeek.org/how-long-does-it-take-for-cells-to-divide.htm not all genetic mutations causes cancer: http://ghr.nlm.nih.gov/handbook/mutationsanddisorders/neutralmutations leading causes of death (in US): http://i1213.photobucket.com/albums/cc469/EternallyLearning/COD.jpg unbalanced skin damage: http://www.nejm.org/doi/full/10.1056/NEJMicm1104059 http://www.sungrubbies.com/product_index_html/UVASkinDamage.htm Giraffe tongues: http://www.noozhawk.com/article/102609_santa_barbara_zoos_male_giraffe_dies DNA repair mechanisms: http://www.abcam.com/index.html?pageconfig=resource&rid=11812 the Selection Shadow: http://www.nature.com/scitable/knowledge/library/the-evolution-of-aging-23651151 life expectancy: http://en.wikipedia.org/wiki/Life_expectancy Living after cancer diagnosis stats: http://www.cancerresearchuk.org/about-us/our-organisation/beating-cancer-sooner-our-strategy losing cells: http://www.madsci.org/posts/archives/2001-02/981770369.An.r.html Cancer and the metaphor of war: http://www.theguardian.com/society/2014/apr/25/having-cancer-not-fight-or-battle Cool image gallery: http://publications.nigms.nih.gov/biobeat/gallery/index.html extra: why do we age and die? http://www.todayifoundout.com/index.php/2014/05/age/ http://www.psychologytoday.com/blog/adventures-in-old-age/200903/problem-darwin-why-do-we-age-and-die-rather-live-forever http://en.wikipedia.org/wiki/Evolution_of_ageing