Yeah, I get it, an ad. But in the latest WashU magazine, there's a short article about the dwindling helium resources. Concerning the largest helium reserve outside Amarillo, Texas
... supplies are expected to be exhausted there within the next eight years.
While the main use of helium is cooling lab equipment, imagine not having any left on Earth in the next 20 years. We could run out of it much sooner than oil, which is kinda strange to think about.