The World Is Constantly Running Out Of Helium
An Afghan boy sells balloons in Kabul. We shouldn't worry about using helium for celebrations because, as one expert says, "The helium that's used in party balloons gets everybody to care about this resource." Gemunu Amarasinghe/AP hide caption
An Afghan boy sells balloons in Kabul. We shouldn't worry about using helium for celebrations because, as one expert says, "The helium that's used in party balloons gets everybody to care about this resource."
Gemunu Amarasinghe/APEncore episode. Helium is the second-most common element in the cosmos, but it's far rarer on planet Earth. As part of our celebration of the periodic table's 150th birthday, correspondent Geoff Brumfiel shares a brief history of helium's ascent, to become a crucial part of rocket ships, MRI machines, and birthday parties.