Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints that physicists must go ...

Concentration polarization of ion-exchange membranes in electrodialysis units limits operational current densities to the underlimiting regime, preventing process intensification by simply increasing ...

Social protection, labor & employment systems help poor and vulnerable people cope with crises and shocks, find jobs, invest in the health and education of their children, and protect the aging ...