Guide for the Perplexed

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

Most Jews don't know Judaism has a reincarnation tradition. One rabbi's offhand comment reveals a hidden world.

The book that says "everything is pointless" was almost cut from the Bible. Here's how the rabbis reinvented it.

Did ancient Jews ever relax, or was every moment supposed to be Torah study? The surprising history of leisure in Jewish tradition.

Discover the "linguistic blueprint" that allowed Jewish communities to thrive from Baghdad to Brooklyn through unique fusion languages.