Symmetry is a tidy and attractive idea that falls apart in our untidy Universe. Indeed, since the 1960s, some kind of broken symmetry has been required...
Biological structures frequently exhibit modularity and symmetry, but the origin of such trends is not well understood. It can be tempting to assume —...
An international team of theoretical physicists has found that when gravity is combined with quantum mechanics, no global symmetries are possible.
Quantum...