The man-made diamond boom is over, and prices for ultra-trendy lab-grown diamonds are set to tumble this year, industry veterans say. Paul Zimnisky, a leading diamond analyst, foresees jewelers ...

Detachable Pegs: This drying rack has 27 pegs(5.1" Length each), easy to assemble and detach on your needs Wide Application: for laboratory, medical, chemical, quality test, school, research ...

The annual toxic smog that forms over swathes of India and Pakistan is preventable, but the nations’ scientists have too little opportunity to help tackle the problem.