Which innovative packaging design feature was specifically developed for temperature-sensitive reagents in laboratory settings during the early 2000s?

In the scientific equipment industry, packaging design isn't just about aesthetics—it's about functionality, preservation of sensitive materials, and communicating precise information. Over the decades, packaging for scientific products has evolved dramatically to address changing environmental regulations, sustainability concerns, and specialized storage requirements. Test your knowledge about this often-overlooked aspect of scientific product development!

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Thermochromic indicators that change color when temperature thresholds are exceeded
RFID-embedded packaging that tracks shipping conditions
Biodegradable foam inserts made from corn starch
Vacuum-sealed glass containers with titanium-reinforced stoppers