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 ...

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.

A salt marsh harvest mouse walks across the bulrush at Grizzly Island Wildlife Area in San Francisco. (Cody Aylward/UC Davis) From species of marmots to moles, shrews and mice, many of the world’s ...

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 ...