Deep in the Peruvian Amazon, near the border with Brazil, a striking landform has stirred scientific curiosity and cultural ...

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, ...

When someone mentions the word “pyramid”, our minds instantly travel to the golden sands of Egypt, to the grand Giza plateau, to pharaohs and their stone monuments kissing the sky. Over time, pyramids ...