After filtering his product, Sean Connolly posted this colorful design on Instagram after it seeped into his filter paper. The compound he’d synthesized is a type of molecule called a donor-acceptor ...

IBM scientists have been able to image the "anatomy" -- or chemical structure -- inside a molecule with unprecedented resolution, using a complex technique known as noncontact atomic force microscopy.

The alternative text for this image may have been generated using AI. Figure 3: Solid-state shape selectivity can be understood in terms of the structure and dynamics of discrete, isolated cage ...