Let's talk chalk. Resin, also known as rosin, colophony, and colophonia, amongst other names, is present in many liquid chalks commonly used for climbing, gymnastics and weight training. It's usually ...

To protect ourselves from the coronavirus, the CDC recommends keeping your hands as clean as possible, including using hand sanitizers with at least 60% alcohol when hand washing is not possible.

Melbourne researchers have found that liquid chalk, commonly used in gyms to improve grip, acts as an antiseptic against highly infectious human viruses, completely killing both SARS-CoV-2 (the virus ...