This guidebook offers young readers and researchers a means of understanding thyroid disorders and their ramifications. Readers will understand what the thyroid does, and conditions such as hypothyroidism and hyperthyroidism. Thyroid nodules and cancer is also explained. Readers are also introduced to the future of thyroid research and its relation to brain chemistry.

Learn all about the fascinating lives and tremendous impact of 100 extraordinary Native Americans with this fact-filled biography collection for kids. Educational and engaging, 100 Native Americans Who Shaped American History features: • Simple, easy-to-read text that has been freshly updated and now includes brand-new additions of John Herrington and Deb Haaland • Illustrated portraits of each figure • Fascinating facts about famous and lesser-known...

"The seed vault in Norway houses plant seeds from around the world to be stored in the event that the plant needs to be re-introduced into the food supply"--Provided by publisher.