Periodic Graphics: A Guide to COVID-19 Testing
By Andy Brunning, for C&EN

In this collection, we feature technological sleeves, lanthanide purification, the impact of temperature on octopus proteins, asphalt implications on human health, and how toothpaste tablets work.
Our selection of recent research reported in C&EN highlights edible batteries, a new sorbent that collects high amounts of CO2, a 3D capture of a smell receptor structure, and ancient mummifying ingredients.
Unidentified by-products and lack of regulatory oversight spell trouble for cannabis products synthesized from CBD.
If you work hard enough during sports or exercise, you are going to sweat. Whether or not you keep comfortable doing it is a matter of chemistry.