For decades, the New Jersey-based party supply retailer Party City has relied on balloon sales to keep it afloat. Doing so requires a plentiful supply of helium, the second-most abundant element in the universe that is nevertheless increasingly difficult to find on Earth. Due to both supply chain and production problems, companies are currently using up helium at a quicker rate than it can be produced. As a result, the skyrocketing price of helium has begun to spoil the fun Continue reading →