Excitons, bound states between an electron (i.e., a negatively charged particle) and a hole (i.e., the absence of an electron ...

When individuals from two different species interbreed, hybrid organisms may emerge that display characteristics from both genetic lineages. While hybridization is a common natural phenomenon, it is ...

This is a preview. Log in through your library . Abstract The hybrid Nocomis micropogon X Rhinichthys cataractae has been known to occur in the upper Monongahela River system from 1899 to present. A ...