Which supply chain innovation revolutionized scientific research by enabling the global distribution of ultra-cold materials like mRNA vaccines?

The scientific research community relies heavily on sophisticated supply chains to deliver specialized equipment, chemicals, and materials to labs worldwide. Some innovations in supply chain management have revolutionized how scientific research operates, enabling breakthroughs that would otherwise be impossible. This poll tests your knowledge of a particularly significant supply chain innovation that transformed scientific research capabilities.

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Dry ice carbon dioxide shipping (-78°C)
Ultra-low temperature freezers and cold chain logistics (-80°C to -20°C)
Nitrogen vapor phase shipping (-150°C)
Vacuum insulated ambient temperature preservation