Why did the Lincoln Memorial Reflecting Pool turn green?

Why did the Lincoln Memorial Reflecting Pool turn green?

June 26, 2026 · 23 min · Episode 794

About this episode

Dr Chris Smith and Clarence Ford discuss various scientific questions including the green color of the Lincoln Memorial Reflecting Pool.

Why is Europe experiencing a heatwave? What happens if a being from a different dimension enters our dimension? Why are wombats able to produce square-shaped faeces? Can we live without sodium? Is there a scientific explanation for xenophobia? Why did the Lincoln Memorial Reflecting Pool turn into a green swamp? What causes early morning phlegm, even without a cold? Dr Chris Smith and Clarence Ford have the answers... Like this podcast? Please help us by supporting the Naked Scientists

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