It stood for strength, eternity, and the backbone of the gods—but the Djed’s true meaning goes deeper than most realize. This ancient symbol may hold the key to Egypt’s spiritual core. $1.787 billion ...

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, ...

The writing’s on the wall — if you can read it. Sobering national test results show more high school seniors are struggling with math and reading than at any point in recent decades, with Education ...