Cofire Ceramic Associates

This day in 1971 was , when UK currency switched from the old pounds, shillings and pence to the current decimal coinage. This graphic examines the compositions of the coins currently in circulation and how they've changed over the years: https://www.compoundchem.com/2014/03/27/the-metals-in-uk-coins/

As the Winter Olympics draw to a close, what are the medals that the top athletes will be taking home made of? This graphic takes a look and also highlights the values of each medal: https://www.compoundchem.com/2026/02/22/what-are-the-2026-winter-olympic-medals-made-of/

The Pemberton Medicine Company, which would later become the Coca Cola company, was formally incorporated in 1889.

This previous edition of in C&EN highlights unexpected substances our favourite sodas once contained: https://cen.acs.org/food/food-ingredients/Periodic-Graphics-Coke-cola-Sodas/101/i13

“Metal-organic frameworks have enormous potential, bringing previously unforeseen opportunities for custom-made materials with new functions,” says Heiner Linke, Chair of the Nobel Committee for Chemistry. Following the laureates’ groundbreaking discoveries, chemists have built tens of thousands of different MOFs. Some of these may contribute to solving some of humankind’s greatest challenges, with applications that include separating PFAS from water, breaking down traces of pharmaceuticals in the environment, capturing carbon dioxide or harvesting water from desert air.
https://www.nobelprize.org/prizes/chemistry/2025/press-release/