Which scientific retail innovation first utilized temperature-controlled supply chain management that revolutionized the distribution of biological products to consumers?

The intersection of science and retail has created revolutionary product categories and shopping experiences. From pharmaceuticals to consumer electronics, scientific innovation drives retail success. This poll tests your knowledge about a groundbreaking scientific retail innovation that transformed how products reach consumers while maintaining scientific integrity. Can you identify the correct innovation among these retail science milestones?

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Cold chain distribution for mRNA vaccines (2020)
Temperature-controlled insulin delivery systems (1982)
Frozen food retail logistics network (1930)
Climate-controlled museum gift shop merchandise (1998)