Showing results by publisher "Recorded Books" in Education & Learning

From the dramatic discovery of the world’s first analog computer to the incredible secrets uncovered in a sailor’s good luck charm, underwater excavation has revealed historical truths dating back to the beginning of modern civilization. As the exciting field of marine archaeology continues to grow, so do the astonishing discoveries from the ocean floor—with every sunken ship shedding light on moments in time that only the sea remembers. Shipwrecked! is a riveting deep dive into some of the world’s most incredible shipwrecks and what they reveal about human history.

Formaldehyde, borax, salicylic acid. Today these chemicals are used in embalming fluids, cleaning supplies, and acne medications. But just over a hundred years ago, they were routinely added to all kinds of food by unregulated and unethical companies. Noted science and history writer Gail Jarrow introduces listeners to the relentless work of U.S. government chemist Dr. Harvey Washington Wiley, who mounted a thirty-year campaign to protect consumers from harmful food and drugs. As part of his research, he tested food additives by serving them to a squad of volunteers—the poison eaters.