Imagine a machine that can pull water out of thin air. Picture a tiny disk that can store huge amounts of data for billions of years. These are just some of the new discoveries made by scientists. Readers learn about fascinating developments in medicine, technology, archeology and more through carefully-leveled, engaging books reviewed by Smithsonian experts.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.