A young readers adaptation of Steven Johnson's Extra Life, the story of how humans have doubled our lifespan in less than a century—and what to do with the extra life we now have.

Humans live longer now than they ever have in their more than three hundred thousand years of existence on earth. And most (if not all) of the advances that have permitted the human lifespan to double have happened in living memory.
 
Extra Life looks at vaccines, seat belts, pesticides, and more, and how each of our scientific advancements have prolonged human life. This book is a deep dive into the sciences--perfect for younger readers who enjoy modern history as well as scientific advances.
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