These are equipped with a ground-based optical sensor system that is synchronised with the signal’s light cycle. It detects pedestrian movement on the pavement before they cross and while they ...

Prostaglandin E2 (PGE2), a bioactive lipid derived from arachidonic acid, mediates a broad range of physiological processes ...

“Runway Status Lights are a visual cue to pilots when there’s something else that’s on the runway,” he said. Activated red lights signal a ... does not position us to support an unrequired ...

Taste, pain, or response to stress -- nearly all essential functions in the human body are regulated by molecular switches called G protein-coupled receptors (GPCRs). Researchers have uncovered the ...