Abraham Isaac Kook

Wool plus linen equals forbidden — but only sheep's wool, only flax linen, and nobody knows why. Inside the labs that check your suit.

The word "asceticism" started as Greek for athletic training. How did it end up on top of a pillar — and why does Judaism push back?

Jerusalem ran out of ground for its dead — so it built a multi-storey car park where the parking spaces are graves.