Why do fingers become pruney? - Mark Changizi
111,938 Views
2,712 Questions Answered
TEDEd Animation
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.
Given these results, and given the more complex topography of the bottom of one’s foot, can you design a form-fitting rubber sock with biologically-inspired treads?
Sign in to answer questionAbout TED-Ed Animations
TED-Ed Animations 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 Animation? Nominate yourself here »
Meet The Creators
- Director Lippy
- Educator Mark Changizi
- Narrator Mark Changizi
