FOR some time 1 X-ray crystallographers have been seeking information about the electron density distribution in chemical bonds. This communication reports some results recently obtained for ...

170 charities and aid groups have called for a U.S.-Israel backed Gaza aid distribution operation to be shut down, citing 'repeated massacres' at aid sites.

As few as five electrons in a semiconductor can exhibit collective behaviour, forming a “Coulomb liquid”, according to researchers in Europe. This extends the study of correlated systems to electron ...