/oss/taxonomy/term/682/all en /oss/article/quirky-science-you-asked/why-do-nails-have-ridges <p>There is a wealth of information at our fingertips – in our nails. Anyone who has ever wished for some kind of health-o-meter to signal the body’s state of wellness need look no further than the ends of their own digits, where signs of diseases past, present and future are visible.</p> Tue, 06 Nov 2012 18:11:52 +0000 Joe Schwarcz PhD 1762 at /oss