Vinylogous urethane based vitrimers are polymer networks that have the intrinsic property to undergo network rearrangements, stress relaxation and viscoelastic flow, mediated by rapid ...

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 ...

Reductive elimination reactions, in which a transition metal catalyzes new bond formation between two molecules, are one of organic chemists’ most powerful tools. For example, one flavor of these ...