What is helium, and why a shortage is worrisome

Metro Morning

Guess what MRIs, scuba gear and party balloons all have in common? Helium! There are a whole lot of uses for helium beyond making balloons all floaty for birthday parties. And there'a a global shortage of helium right now, which could last for a while yet. Samantha Yammine, AKA Science Sam, is a PhD candidate in neuroscience at the University of Toronto and a science communicator.

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