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Latest Bob Hazen Stories

2012-06-26 10:26:11

Mineral evolution posits that Earth's near-surface mineral diversity gradually increased through an array of chemical and biological processes.


Word of the Day
abactinal
  • Pertaining to the surface or end opposite to the mouth in a radiate animal.
The word 'abactinal' comes from a Greek root meaning 'ray' and a Latin prefix meaning 'away'.
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