/oss/taxonomy/term/4238/all en /oss/article/covid-19-general-science/could-climbing-chalk-protect-you-more-rips <p>If you have ever written anything on a chalkboard, you know the powdery feeling left on your hands after holding a piece of chalk. While that residue may feel annoying when you try to go on with your day, it's exactly why chalk is used so widely in sport. Gymnasts, lifters, and rock climbers all agree that chalk is something that they always keep on hand — literally.</p> Fri, 17 Jun 2022 14:00:00 +0000 Cat Wang 9138 at /oss /oss/article/videos/right-chemistry-chalks-galore <p><div class="media-youtube-video media-element file-default media-youtube-1"> <iframe class="media-youtube-player" id="media-youtube-g5prxpoxgfg" width="640" height="390" title="Dr. Joe Schwarcz: There are so many kinds of chalk" src="https://www.youtube-nocookie.com/embed/g5prXPOxgFg?wmode=opaque&controls=&enablejsapi=1&modestbranding=1&playerapiid=media-youtube-g5prxpoxgfg&origin=https%3A//www.mcgill.ca&rel=0" name="Dr. Joe Schwarcz: There are so many kinds of chalk" frameborder="0" allowfullscreen>Video of Dr. Joe Schwarcz: There are so many kinds of chalk</iframe> </div> </p> Thu, 12 Dec 2019 20:20:37 +0000 Joe Schwarcz PhD 8050 at /oss