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Meet the scientific experts who study specimens of extreme longevity in both the plant and animal kingdoms, such as the 80,000-year-old root system of Pando (a colony of male quaking aspens), 11,000-year-old deep-sea sponges, and 400-year-old sharks. Learn about technologies used to determine age and longevity, including DNA sampling, growth rings, and radiocarbon dating. See how scientists located these long-lived species were and why and how they resist disease and aging. And delve into how scientists are using what they know about aged plants and animals to research how we can promote longevity in humans.
Karen Latchana Kenney was born near the rainforests of Guyana, but moved far north to Minnesota at a young age. She graduated from the University of Minnesota with a bachelor's degree in English and has been writing and editing since. She has worked as an editor at an educational publishing company, but is now a full-time freelance writer and editor in Minneapolis, Minnesota. She has written more than 70 books on all kinds of subjects: from arts and crafts to biographies of famous people. Her books have received positive reviews from Booklist, Library Media Connection, and School Library Journal. When she's not busy writing, she loves biking and hiking with her husband and young son in the many beautiful parks of the state.
"[...] An excellent addition to middle school and high school library collections."
– Patricia Feriano, Montgomery County Public Schools, MD, School Library Journal
"[...] An intriguing look at some of world's oldest organisms and the scientists who study them."
– Kirkus Reviews
"[...] Readers will enjoy learning about these amazing organisms."