lunedì 24 agosto 2015

NYT Science: The Inexorable Forces of Nail Growth

The Inexorable Forces of Nail Growth
By C. CLAIBORNE RAY

It’s like the movement of a tectonic plate at the end of your finger, or toe.

Published: August 25, 2015 at 06:00AM

via NYT Science http://ift.tt/1fBmMJY