Uploaded August 2026 | Updated September 2026, 2 weeks ago

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In Florida, correspondent Martha Teichner goes searching for sand dollars – cousins of sea urchins and sea stars – with naturalist Kristen Williams (a.k.a. The Seashell Mermaid). She also goes to the California Academy of Sciences' Steinhart Aquarium in San Francisco to learn what makes these sea creatures so special. (Originally broadcast April 12, 2026.)

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