Helium Shortage Prompts MRI Fears, Federal Action

WASHINGTON — Though it may be the second most abundant element in the universe, a helium shortage is beginning to affect hospitals throughout the world, as the element serves a key purpose for MRI machines. The element may be prevalent throughout the cosmos, but Earth’s atmosphere is not particularly effective at keeping it here, meaning it is mostly harvested from underground deposits where it has been trapped by the planet’s geology.

Read more