NPR Story 10:01 am Fri January 11, 2013  Getting A Handle On Why
Fingers Wrinkle  Originally published on Fri January 11, 2013
11:03 am      FLATOW: Now, we've got some digital research on
this one. The other - the classic definition of digits, which...
LICHTMAN: The analog digital, your fingers.  FLATOW: Your
fingers. That's what it means in Latin or something, right?
LICHTMAN: Well, they are your digits. I think digital typically
refers to what we were just talking about. But yes, this week's
video investigates the hard science topic of why your fingers
and toes get wrinkly after a long soak.  FLATOW: That is
something that we've all observed and we've all wondered, and we
all think we know why for some reason.  LICHTMAN: So why do you
think? What's the common prevailing sentiment?  FLATOW: My
prevailing sentiment is that we have oils on our skin, right,
oils on our skin that keep them smooth. And when you get soapy
water, we know soap takes the oils out and so they're not smooth
anymore. And for some mys