Bees (family: Apidae) are important ecologically and economically as primary pollinators of many natural and agricultural systems. Given current concerns about declining numbers of bees, many ...

This is a preview. Log in through your library . Abstract A mobile phytoplankton sampling method, in which surface samples were dipped from the lake at 1/2-hr. intervals over circuits which could be ...

Biochemical mechanisms often depend on macromolecules accessing transient, ‘hidden’ excited states 1,2. By their very nature, these dynamic processes are difficult to characterize structurally.