https://en.wikipedia.org/wiki/Stig_Severinsen
https://www.youtube.com/watch?v=7NT78nrjrUM
https://www.wimhofmethod.com/
https://www.facebook.com/Tori-Allen-202055839832399/
http://skeptics.stackexchange.com/questions/31111/is-daniel-tammet-a-savant
http://sapienplus.com/liam-hoekstra-super-strength-superhuman-31/
http://abcnews.go.com/Health/rare-medical-condition-secret-contortionists-ability/story?id=29054612
http://anomalien.com/2015/03/slavisa-pajkic-a-real-life-human-battery/
https://www.onnit.com/academy/wim-hof/
http://forum.mmajunkie.com/forum/threads/rare-medical-condition-gives-toddler-super-strength.12070/
https://www.flickr.com/photos/efleming/1404773803/