Otherworldly Elements

Otherworldly Elements

Strange elements tend to have properties that make them extremely difficult to study. For example, Copernicium has a half-life of only 29 seconds, and Francium would probably explode upon contacting the moisture in the air.


Key Facts In This Video

  • 1

    Gallium safely melts in human hands. (0:44)

  • 2

    Francium has never been visible to the naked eye. (3:08)

  • 3

    When sufficiently cooled, Helium becomes a superfluid that seemingly defies gravity. (6:10)

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