Roland Ennos

Jun. 12, 2009

Why Do We Have Fingerprints?

The standard answer is that fingerprints increase friction, improving the grip of the fingertips. New research, however, says that may not be the case.

fingerprints, evolution

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

view more

FEATURED PLAYLIST

Train Tech

BOOKS BY OUR GUESTS

Mystery Box

Building Bridges From Plastic Shampoo Bottles

A New Jersey company transforms plastic waste into beams sturdy enough to support tanks and trains.

Science Friday® is produced by the Science Friday Initiative, a 501(c)(3) nonprofit organization.

Science Friday® and SciFri® are registered service marks of Science Friday, Inc. Site design by Pentagram; engineering by Mediapolis.

 

topics