Supergoop’s Every. Single. Face. Watery Lotion is now the only face sunscreen I buy. Photo: Megan Beauchamp The only thing it’s not is cheap. But for me, it’s money well spent. After all ...

Imidazolium-type metal-containing ionic liquid (IL) monomers and their corresponding poly (ionic liquid) (PIL) membranes coordinated with CuCl 2 (PILM-Cu), FeCl 3 (PILM-Fe), or ZnCl 2 (PILM-Zn) were ...