Molecular polarity and intermolecular forces explain why substances dissolve, boil, or stick together the way they do. From the shape of a molecule to the pull of its atoms, polarity determines ...

From the softness of glass to the strength of diamond, intermolecular forces quietly govern the materials around us. These invisible attractions—like hydrogen bonds and van der Waals forces—decide how ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...