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Program Directory

Radiolab

Once a kid is born, their genet­ic fate is pret­ty much sealed. Or is it? This hour, we put nature and nur­ture on a col­li­sion course and dis­cov­er how out­side forces can find a way inside us, shap­ing not just our hearts and minds, but the basic bio­log­i­cal blue­print that we pass on to future generations.