DULUTH — Two years after a company confirmed the presence of helium beneath the surface of Northeastern Minnesota, other companies are poking around the area for confirmation of a lightweight gas from ...
Daily Galaxy on MSN
Huge Amounts of Helium Discovered in Earth’s Core, Changing What We Thought About the Planet’s Formation
For decades, scientists have puzzled over traces of primordial helium—a rare isotope known as ³He—escaping from volcanic ...
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