Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Three summers ago, Kiel University biomechanist Stainslav Gorb, returned to Germany after a vacation in Turkey with a present for Ph.D. student Helen Gorges. "He came back and was like, 'Helen, I ...

(Laughter) Well, there are Persian cucumbers - the itty-bitty ones. And then there's the super long English cucumber, right? SUMMERS: Go on. Go on. CHANG: That's all I got, Juana. SUMMERS: Well, Ailsa ...