https://www.newscientist.com/article/mg18524911-600-13-things-that-do-not-make-sense/
http://www.toptenz.net/top-10-biological-anomalies-in-humans.php
http://www.sciencemag.org/news/2010/04/scienceshot-animals-live-without-oxygen
https://sleepfoundation.org/sites/default/files/SleepTimeRecommendations012615%5B1%5D-page-001_0.jpg
http://www.iflscience.com/health-and-medicine/why-do-we-sleep/
https://en.wikipedia.org/wiki/Magnetoreception
http://www.telegraph.co.uk/news/earth/wildlife/9880906/Strange-slime-identified-as-unfertilised-frogspawn.html
http://www.diffen.com/difference/Fraternal_Twins_vs_Identical_Twins
https://en.wikipedia.org/wiki/Paradox_of_the_plankton
http://www.slate.com/articles/health_and_science/science/2014/06/why_flowers_exist_the_unlikely_genetic_mutation_of_the_amborella_flower.html
http://www.childrenshospital.org/conditions-and-treatments/conditions/polydactyly-of-fingers/symptoms-and-causes
http://news.nationalgeographic.com/news/2010/04/100416-oxygen-free-complex-animals-mediterranean/