René Descartes, the founder of modern philosophy, was furiously condemned by his contemporaries. Why did they fear him?

Then, one day, someone challenged me on the term. I was in a staff meeting with my colleague Callum, himself the survivor of a brain injury from a car accident. He described how, that morning, a ...

Derived from iron-rich rocks, red ochre is humanity’s oldest known pigment, with a discovery in a cave in Zambia believed to date back between 350,000 and 400,000 years. For archaeologists, it serves ...