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Latest Robert Hazen Stories

Minerals Were Scarce When Life First Formed On Earth: Study
2013-11-26 08:05:20

Just eight percent of the nearly 5,000 different types of minerals currently found on Earth were present on or near the planet’s surface when life first originated, according to new research appearing in the latest edition of the American Journal of Science.

Mineral Diversity Gives Clues To Earth's Early Chemistry
2013-03-02 06:00:02

A new study focusing on the mineral molybdenite could provide new insight into the way that various geological and biological processes have resulted in changes to the Earth’s chemistry over the years.

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2008-05-21 12:18:06

Carbon buried in the Earth could ultimately determine the fate of our planet’s atmosphere. So concluded a pioneering meeting last week about the Earth’s long-neglected “deep” carbon cycle.

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2006-11-15 10:15:00

But which of the countless possible combinations of biomolecules and mineral surfaces were key to this evolution?


Word of the Day
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.