James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Graph showing the densities of all elements from Z=1 to 100, with the heavy metals labelled with red triangles. The red triangle at the top right is osmium (Z=76), the element with the highest ...

Johann Rafelski does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

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