Counting Bee

Counting really IS the bees knees! This is Sandra Tsing Loh with the Loh Down on Science. We count on bees to serve as nature’s top pollinator. Speaking of counting… How DO bees keep track of all those flowers? At Queen Mary University of London, Vera Vasas studies how bees

String Theory

Think filing your taxes is a pain? Imagine doing it in macramé! This is Sandra Tsing Loh with the Loh Down on Science. It may sound far-fetched but that’s exactly how the ancient Incas kept records. With colored, knotted strings called khipu. Colonial documents verify that khipu were used in