Uncharted with Hannah Fry cover image

17. The Golden Spike

Uncharted with Hannah Fry

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Concrete and the Anthropocene Epoch

This chapter examines the significant rise in concrete usage and its implications for defining a new geological epoch. Researchers explore sediment samples from Crawford Lake, revealing a nuclear signature that marks the beginning of the Anthropocene, linked to historical nuclear tests despite Canada's lack of a nuclear weapons program.

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