Which of these biodegradable packaging innovations is currently being used commercially for shipping temperature-sensitive laboratory reagents?

Sustainable packaging is transforming how scientific products reach consumers and researchers. With environmental concerns at the forefront, companies are investing in revolutionary materials that protect sensitive equipment while reducing ecological impact. This poll tests your knowledge of recent breakthroughs in biodegradable packaging specifically designed for scientific instruments and materials. Can you identify which cutting-edge technology is actually being implemented in labs worldwide?

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Mycelium-based foam insulation derived from mushroom roots that naturally decomposes within 45 days after disposal
Graphene-infused cellulose wrappers that change color when temperature thresholds are exceeded while being 100% compostable
Self-cooling bioplastic containers made from fermented algae that maintain internal temperature for 72 hours without refrigeration
Bacterial cellulose films with embedded plant-based phase-change materials that automatically adjust to optimal preservation temperature