Saving seeds to plant for next year's crop has been key to survival around the globe for millennia. However, the twentieth century witnessed a grand takeover of seed producers by multinational companies aiming to select varieties ideal for mechanical harvest, long-distance transportation, and long shelf life. With the rise of the Slow Food and farm-to-table movements in recent years, the farmers and home gardeners who have been quietly persisting in the age-old habit of conserving heirloom plants are finally receiving credit for their vital role in preserving both good taste and the...