This book chronicles how since the Neolithic era of the Stone Age, agricultural tools evolved from pointed digging sticks to electron microscopes. Weeds evolved into wheat, carrots, and more as humans selected and designed foods. People farmed sustainably since the last Ice Age with fire and fish traps, and more recently, agriculture has evolved to produce more for a growing worldwide population. Learning about problems from the past and the future that agricultural technology is meant to solve will help readers understand how applying critical thinking can change the world

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