Author: Ng Sher Ying

Over-the-counter medication makes up the majority of pharmaceutical pollution in Hong Kong rivers, and may persist in rivers long enough to spread into coastal waters.

Using a thermal evaporation process, scientists created ultrathin perovskite films that allow visible light to pass through while generating electricity from sunlight.

A new biodegradable film made with carbon dots derived from pumpkin peel could help reduce food spoilage and cut reliance on plastic packaging.