Browsing: Boundaries

Fences have always played an important role in how we define space. Traditionally, they mark boundaries, offer security, and…

18-porphyrin nanoring exhibits weak but detectable global aromatic and antiaromatic ring currents. Credit: J. Am. Chem. Soc. (2025). DOI: 10.1021/jacs.5c09149…

Amy Beckley, a Ph.D scientist, faced fertility and miscarriage problems due to low levels of the hormone progesterone. After hitting…