The green-and-gold tumbler sold out in under five hours, leaving fans scrambling for a restock. But don’t give up just ...

The Irish arm of US tech giant Google has secured the green light for a large public mural across seven storeys at its European headquarters in Dublin that incorporates interactive and virtual ...

The wavelengths of light in the visible spectrum range from about 400 nanometers (violet) to 750 nm (red). Green plants appear green because the leaf pigments are reflecting green light. Green light ...