It's not every day that the world gets a new tool that could save 100,000 children each year.
And it's definitely not every day that the secret to that tool is the same thing that makes space ice cream so memorable.
Sounds crazy. But bear with me a moment.
Scientists say they have a new vaccine that's about 70 percent effective against rotavirus — a nasty little pathogen that gives children bad diarrhea here in the U.S. but kills more than 200,000 children each year in developing countries.