Stories by Robert M. Hazen

  • March 2010 | More Science Evolution of Minerals

    Evolution of Minerals

    Looking at the mineral kingdom through the lens of deep time leads to a startling conclusion: most mineral species owe their existence to life

    March 1, 2010 |

  • April 2001 | More Science Life's Rocky Start

    Life's Rocky Start

    Air, water and rock were the only raw materials available on the early earth. The first living entities must have been fabricated from these primitive resources. New experiments suggest that minerals the basic components of the rocks could have played starring roles in that dramatic feat.

    April 1, 2001 |

  • Scientific American Volume 258, Issue 6 | Technology Perovskites


    Many of the new high-temperature superconductors belong to a family of ceramics called perovskites. The adaptable perovskite structure gives rise to materials that have a wide array of electrical properties

    June 1, 1988 |

  • Scientific American Volume 252, Issue 5 | More Science Crystals at High Pressure

    Crystals at High Pressure

    X-ray studies of crystals compressed between a pair of gem-quality diamonds reveal a range of responses to increased pressure. Changes in atomic structure are best viewed in terms of polyhedral geometry

    May 1, 1985 |

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