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 ; ...
Brock University provides funding as a member of The Conversation CA-FR. Brock University provides funding as a member of The Conversation CA. Our modern understanding of time and causality comes from ...
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