News tagged with sources

Caffeine enhances bee memory

(Phys.org) —Caffeine is the naturally occurring drug most widely used by humans. In nature, though, it is reported to act as a bitter and toxic deterrent to herbivores, preventing leaves and seeds from ...

May 13, 2013 5 / 5 (2) 0 | with audio podcast

X-ray laser brings cellular messengers into focus

Last year's Nobel Prize in Chemistry – shared by Stanford School of Medicine Professor Brian Kobilka and Robert Lefkowitz of Duke University – recognized groundbreaking research in G protein-coupled receptors (GPCRs). GPCRs are embedded in cell membranes. They i ...

May 10, 2013 5 / 5 (7) 0