Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. Symmetry also has an aesthetic meaning, although this is ...

For decades, temporal and inversion symmetry were taught as static geometric concepts, but 2026 has shattered that view with real-world demonstrations of symmetry in motion. From the first ...

IUPAC defines constitution and conformations, which in turn defines all molecules and materials through the specific connectivity of distinct sets of atoms placed at specific relative coordinates (x,y ...