Which packaging innovation revolutionized the transport of temperature-sensitive vaccines and biological samples in the 2010s?

Packaging innovations in science products have evolved dramatically over the past decades, combining sustainability, functionality, and protection. These advancements have particularly transformed how sensitive laboratory reagents, pharmaceuticals, and scientific instruments are delivered and stored. This poll tests your knowledge about a groundbreaking packaging innovation that changed how certain sensitive scientific products are transported worldwide.

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Phase-change material (PCM) containers that maintain precise temperatures for 120+ hours without external power
Aluminum foil-lined boxes with double-walled vacuum insulation
Biodegradable starch-based foam containers with electronic temperature monitoring
Graphene-reinforced plastic containers with solar-powered cooling elements