The Real Reason Fingers Wrinkle in Water

If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling package:   / todayifoundout  

→Some of our favorites:    • Featured  
→Subscribe for new videos every day!
https://www.youtube.com/user/TodayIFo...

Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week!

More from TodayIFoundOut:

How Do They Make White Gold White Given That It's an Element?
   • How Do They Make White Gold White Giv...  

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.p...

Sources:

http://www.theguardian.com/science/20...
http://www.nature.com/news/science-ge...
http://www.ncbi.nlm.nih.gov/pubmed/15...
http://www.ncbi.nlm.nih.gov/pubmed/12...
http://orthopedics.about.com/od/finge...
http://vixra.org/pdf/1309.0006v2.pdf