Under a microscope, linen looks like a bamboo stalk, with long, straight fibers running up and down a thread. Wool, on the other hand, looks like snakeskin, with scales that jut up and over each other ...

This story was originally published on My Jewish Learning. (JTA) — Years ago, my family and I visited the ancient Roman baths for which the city of Bath, England, is known and named. An exhibition ...