When you think of helium, you probably think of balloons.
But it turns out, a nationwide shortage of helium is affecting more than just birthday parties.
MRIs, semiconductors, rocket engine testing all use the gas.
University of Texas geologists say they've had to wait a month or two for a restock recently, as opposed to just a few days.
The current shortage seems to be attributed to sanctions, lower output from domestic suppliers and distribution.