References:

10 - Can you die from too much sleep?
http://sleepeducation.org/news/2015/02/27/can-too-much-sleep-kill-you-

https://www.amerisleep.com/blog/oversleeping-the-health-effects/

9 - Can earwax be used to make candles?
http://www.discovery.com/tv-shows/mythbusters/mythbusters-database/earwax-candle/

https://fauquierent.blogspot.com/2010/05/can-earwax-be-made-into-usable-candle.html

8 - Why do shopping carts veer to the side?
https://www.scienceabc.com/humans/why-its-difficult-steer-control-push-shopping-carts-trolley-in-straight-line-wheels-castors.html

http://mentalfloss.com/article/26470/brief-history%E2%80%94and-future%E2%80%94-shopping-cart


7 - What would happen if the Sun changed colour?
https://www.physicsforums.com/threads/what-if-the-sun-was-blue.12741/

https://www.space.com/23772-red-dwarf-stars.html

https://www.universetoday.com/24587/blue-giant-star/

6 - Why does your mouth feel cold after chewing mint gum?
http://mentalfloss.com/article/24490/why-does-mint-make-your-mouth-feel-cold

https://www.medicaldaily.com/ice-ice-baby-chewing-mint-gum-doesnt-actually-make-your-water-colder-it-just-feels-342234

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5392520/

5 - What would happen if the Earth was a cube?
https://www.spaceanswers.com/solar-system/what-would-happen-if-the-earth-was-a-cube/

https://www.seeker.com/what-if-earth-were-a-cube-1765370240.html

4 - Can you die from pain alone?
http://thescienceexplorer.com/brain-and-body/can-pain-kill-you

http://factsfromfiction.blogspot.com/2012/05/the-human-body-handles-45-dels-units-of.html

3 - If a gallon of poison was poured into the ocean, what would happen?
http://www.techtimes.com/articles/197486/20170214/high-levels-of-toxic-chemicals-contaminate-marine-animals-in-deepest-ocean-trenches.htm

http://see-the-sea.org/topics/pollution/toxic/ToxPol.htm

2 - What if humans switched places with animals?
https://www.ancient.eu/article/991/prehistoric-hunter-gatherer-societies/

http://www.nsta.org/publications/news/story.aspx?id=49036

1 - Can feathers tickle birds?
https://www.britannica.com/science/allopreening

http://www.birds.com/bird-care/grooming/