Opinion
Sciencephile the AI on MSNOpinion

Why isn't the Universe Symmetrical?

A lot of things are symmetrical – cats, dogs (bilateral symmetry), planets, stars (spherical symmetry), galaxies, pies (radial symmetry) and a lot more, except for the Universe. If you look really ...
Ionotropic glutamate receptors comprise two conformationally different A/C and B/D subunit pairs. Closed channels exhibit fourfold radial symmetry in the transmembrane domain (TMD) but transition to ...