References
10 – Tongue - http://www.sciencemag.org/news/2013/05/scienceshot-your-tongue-inside-out
http://www.webmd.com/oral-health/picture-of-the-tongue
https://en.wikipedia.org/wiki/Tongue
9 – dreams - http://www.webmd.com/sleep-disorders/guide/dreaming-overview?page=3
https://www.reddit.com/r/explainlikeimfive/comments/27e0hm/eli5why_are_dreams_so_hard_to_remember_after_you/
8 – game - http://www.lifehack.org/articles/lifestyle/10-reasons-why-adults-who-play-video-games-are-happier.html
http://www.gamasutra.com/blogs/TomRyan/20150223/237013/Why_do_people_play_video_games.php
7 - http://time.com/4118623/stress-gray-hair/
http://www.scientificamerican.com/article/fact-or-fiction-stress-causes-gray-hair/
6 - https://www.reference.com/food/dark-colored-sodas-worse-health-light-colored-sodas-6df7c4bac4e5f65a
http://www.livestrong.com/article/407851-dark-soda-health-risk/
5 - http://gingerparrot.co.uk/facts-and-myths-about-red-hair/
http://blog.only-apartments.com/redheads/
4 - http://www.techworm.net/2016/02/5-most-dangerous-computer-viruses-of-all-time.html
http://www.smithsonianmag.com/science-nature/top-ten-most-destructive-computer-viruses-159542266/?no-ist
3 - http://www.slate.com/blogs/quora/2013/03/19/what_would_happen_if_oxygen_were_to_disappear_for_5_seconds.html
http://iwastesomuchtime.com/on/?i=81972
http://www.independent.co.uk/news/science/what-would-happen-if-oxygen-disappeared-for-five-seconds-8925756.html
2 - http://boronj10.imascientist.org.uk/2010/06/will-human-ever-be-able-to-leave-our-galaxy-and-go-to-a-different-one
http://scitechdaily.com/scientists-believe-humans-will-one-day-colonize-the-universe/
1 - http://www.usnews.com/news/articles/2012/12/20/apocalypse-how-plausible-ways-the-world-could-end
http://www.wired.com/2012/01/scientific-doomsday-scenarios/
http://discovermagazine.com/2000/oct/featworld