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Latest C. Vance Haynes Stories

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2010-04-12 09:13:23

Did a change in climate or an extraterrestrial impact bring an end to the beasts and people that roamed the Southwest shortly after the last ice age?

2008-08-22 03:00:15

By Sheppard, Paul R Hallman, Christine L; Towner, Ronald H ABSTRACT Environmental History of the Southwest is a general science education course at the University of Arizona with an emphasis on human-environment interaction of the past and an objective of preparing non-science majors to understand and critically evaluate contemporary environmental issues.


Word of the Day
aphotic
  • Having no light.
  • Of or relating to the region of a body of water that is not reached by sunlight and in which photosynthesis is unable to occur.
The word 'aphotic' comes from Greek roots meaning 'without' and 'light'.
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