Like people across the developed world, most Malaysians take clean water for granted. All they need to do to get it is to turn on a tap somewhere within easy reach. They can also get drinking water bottled with bubbles and myriad flavors. Yet for people living in the poorest…

Butterflies wings are pretty. Peer at them more closely, though, and they turn out to be fascinating feats of natural engineering. The wings of butterflies contain tiny patterns of closely intertwined and curved surfaces called gyroids. Not only are these structures surprisingly resilient but they also possess properties that render butterfly…