Vaccines like to be kept cool, none more so than the Pfizer candidate for Covid-19, which has to be deep-frozen. And that's going to be an issue for developing countries -- and for rural areas in the ...

A man in a lab coat carries a box of dry ice - Eder Paisan/Shutterstock Dry ice is the solid form of carbon dioxide and the perfect trick to keeping ice cream frozen in your cooler thanks to it being ...

CHICAGO (WLS) -- The Polar Ice Company on Chicago's West Side is slammed with orders now that the Pfizer COVID-19 vaccine, which requires super cold storage, has arrived in Illinois. "Every day we get ...

Dry ice is solid carbon dioxide. At its surface temperature of -109.3 degrees Fahrenheit (-78.5 degrees Celsius), a frozen block of dry ice transforms directly into a gas, skipping the liquid phase ...