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The big cats that stalked early humans and why ancient concrete outlasts the modern stuff

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This edition of The Science Show covers extinct big cats and early humans, the material properties behind durable Roman concrete, the history of technological disruption by space weather, and methane-consuming microorganisms living in tree bark.

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extinct big catsearly humansRoman concretematerial propertiestechnological disruptionspace weathermethane-consuming microorganismstree barkmethane

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