Clean and Green

One man’s trash is another man’s…disinfectant? This is Sandra Tsing Loh with the Loh Down on Science. Time for spring cleaning! Get out those sprays, scrubs and solvents! But all those chemicals – so toxic to us AND our environment! Is there a CLEANER way to CLEAN? Fengbo Yu at

Continue reading

Rebuilding Plastic

Large pile of Legos

Is chemistry, ooh. . . as easy as playing with Legos?! This is Sandra Tsing Loh with the Loh Down on Science. Plastic bags, soda bottles, candy wrappers … Polyethylene (PE) is EVERYWHERE! It’s made from petrochemicals and recycling it usually requires high temperatures — which gobble up energy! Is

Continue reading