Helium is the second most abundant element in the universe, but on earth it's in short supply. And Iran's retaliatory strikes on helium-rich Qatar have made it even more scarce.

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The diamond anvil crushed iron and helium together under conditions mimicking those inside the Earth, to create a new compound. These compounds remained stable when pressures were reduced. Further ...

For decades, scientists have puzzled over traces of primordial helium—a rare isotope known as ³He—escaping from volcanic rocks in places like Hawaii and Iceland. Unlike the more common ⁴He, which is ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed. When you purchase through ...