Science Nation - Purple Marsh Crabs

submitted by: nsf
If you take a quick glance at the marsh next to Saquatucket Harbor in Harwich Port, Massachusetts, you will notice right away that some of the grass is missing. The cordgrass there, and all around Cape Cod, has been slowly disappearing for decades. "The cordgrass that's being destroyed here is the foundation species that builds salt marshes," explains marine ecologist Mark Bertness of Brown University. With support from the National Science Foundation, Bertness studies this critical...

Organometalic Complexes for Light-Emitting Diodes, "The Nature of Light Emission"

submitted by: icamvid

Paul Burn Gives a talk at the ICAM 2007 conference about organic light-emitting diodes, other light-emitting materials, and deep blue phosphorescence.

UCSD Organic Lab: Extraction

submitted by: joshuakrohn

A Lab training video on how to separate organic and aqueous compounds through solvent extraction.