Robert Ehrlich
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Eight Preposterous Propositions: From the Genetics of Homosexuality to the Benefits of Global Warming
Ehrlich, Robert
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Turning the World Inside Out and 174 Other Simple Physics Demonstrations
Ehrlich, Robert
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Renewable Energy: A First Course
Ehrlich, Robert; Geller, Harold A.
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What If: Mind-Boggling Science Questions for Kids
Ehrlich, Robert
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Why Toast Lands Jelly-Side Down: Zen and the Art of Physics Demonstrations
Ehrlich, Robert
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Nine Crazy Ideas in Science: A Few Might Even Be True
Ehrlich, Robert
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