At head of title: DK Smithsonian. "The ultimate visual guide to the discoveries that shaped the world"--Cover. Before science began (2.5 MYA -- 799 C.E.) : Early metallurgy ; The story of the wheel ; ...
Plutonium has captured the attention of scientists since its discovery in the early 1940s. This enigmatic element has an important role to play in emerging energy technologies like nuclear batteries ...
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