References
10 – parrots - https://www.quora.com/Why-can-parrots-talk-but-no-other-animal-can
http://www.bbc.com/earth/story/20150216-can-any-animals-talk-like-humans
http://mentalfloss.com/article/12993/3-animals-other-birds-mimic-human-speech
https://www.reddit.com/r/explainlikeimfive/comments/2ixsz1/eli5_why_cant_any_animals_other_than_parrotssome/
9 – time travel - https://www.quora.com/Why-are-people-from-the-future-not-time-traveling-to-our-period
8 – light - http://www.dandydesigns.org/id58.html
7 – singing - https://www.reddit.com/r/explainlikeimfive/comments/1owfuv/eli5_why_do_british_singers_seem_to_lose_their/
http://mentalfloss.com/article/29780/why-dont-you-hear-someones-accent-song
6 – nuclear - https://geoinfo.nmt.edu/resources/uranium/power.html
https://www.duke-energy.com/about-energy/generating-electricity/nuclear-how.asp
5 – fog - http://www.econet.org.uk/weather/visi.html
https://www.quora.com/How-far-can-the-human-eye-see-on-perfectly-flat-land
4 – nose bleed - http://www.webmd.com/first-aid/nosebleeds-causes-and-treatments
https://www.quora.com/What-reasons-could-there-be-for-blood-coming-from-the-mouth-and-nose
3 – tickle - http://health.howstuffworks.com/human-body/parts/why-are-some-people-more-ticklish-than-others.htm
http://www.wsj.com/articles/why-are-some-people-more-ticklish-than-others-1455560232
http://www.foxnews.com/health/2016/02/16/why-are-some-people-more-ticklish-than-others.html
2 – chills - https://www.quora.com/What-causes-shivers-down-the-spine
https://answers.yahoo.com/question/index?qid=20080903184418AAmFg1m
1 – cat - http://rawfed.com/myths/cats.html
http://pets.webmd.com/cats/guide/unusual-cat-cravings