Lab-grown chocolate, bird flu, beans, egg substitutes

From chocolate grown in a petri dish to the latest updates on bird flu, this is a sciencey episode along with a few beans, lemons and eggs.

• Gabriela Glueck puts lab grown chocolate under the microscope.
• Apoorva Mandavilli reports on the bird flu crisis and what items to avoid when you're shopping.
• Genevieve Ko offers alternatives for recipes that involve eggs.
• Steve Sando and Julia Newberry of Rancho Gordo share their ideas for using 50 varieties of beans.
• Bethany Harris puts the squeeze on farmers market citrus.

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