HFCs keep refrigerators cool, but when these short-lived climate pollutants leak, they warm the planet. The US EPA has a plan to phase them out, but what will replace them?
As immunisation emerges as the world's primary weapon to combat COVID-19, much more work is needed to improve electricity access so vaccines can be refrigerated.
We're on the road again. Getting enough COVID-19 vaccine to where it's needed in a given time frame is the next logistical hurdle.
Inspired by amber and hard candy, researchers figured out a new, needle-free, shelf-stable way to preserve vaccines, making them easier to ship and administer around the world.