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More from TodayIFoundOut:
How Do They Make White Gold White Given That It's an Element?
https://youtu.be/kzy2uJj2NKA
In this video:
The full explanation of how and why our fingers wrinkle in wet environments is still the subject of some debate. What we know is that the physiological mechanisms causing this phenomenon are the result of our veins constricting (vasoconstriction) in your hands and feet. One might notice this occurs even in warm water, when we otherwise would assume blood vessels should dilate instead of constrict.
Want the text version?: http://www.todayifoundout.com/index.php/2014/03/skin-wrinkles-water/
Sources:
http://www.theguardian.com/science/2013/jan/09/skin-wrinkle-water-grip
http://www.nature.com/news/science-gets-a-grip-on-wrinkly-fingers-1.12175
http://www.ncbi.nlm.nih.gov/pubmed/15095056
http://www.ncbi.nlm.nih.gov/pubmed/12635117
http://orthopedics.about.com/od/fingerconditions/f/Fingers-Wrinkle.htm
http://vixra.org/pdf/1309.0006v2.pdf
