Pruney fingers: A gripping story - Mark Changizi
-
65,609
Views -
621
Questions Answered
Let’s Begin…
Why do fingers become pruney when they get wet? Likely, for the same reasons that tires have treads. Mark Changizi examines the evolutionary reasons for pruney fingers, while exploring natural and manmade phenomena, like river networks, that operate similarly.
About TED-Ed Originals
TED-Ed Original lessons feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed original? Nominate yourself here »
Meet The Creators
- Director Lippy
- Educator Mark Changizi
Share
Additional Resources for you to Explore
Science Friday video on pruney fingers.
Alex Dainis of BiteScized has a great explanation for pruney fingers.
Do you prefer a different language? Watch this video that explains the phenomenon all in French!
Mark Changizi writes about pruney fingers in these Forbes articles. This one is about rain treads. This one is about the science behind pruney fingers.
The journal article on this topic has been given free access by the publisher.
Still want to know more? Check out a list of links compiled by Mark Changizi.
TED-Ed
Lesson Creator
New York, NY
How many other smart mechanisms outside the brain might there be, and that ultimately contribute to our intelligence?
Create and share a new lesson based on this one.
About TED-Ed Originals
TED-Ed Original lessons feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed original? Nominate yourself here »
Meet The Creators
- Director Lippy
- Educator Mark Changizi
Share
More from Awesome Nature
247,613 Views
341,209 Views
556,643 Views
1,066,078 Views
