Hadingham, Evan. <br/><br/>
Subterranean Surprises. / 
Evan Hadingham. 
 -  Hadingham/Evan,  2002. 
 - SIRS Enduring Issues 2003.  Article 20.  Science,  1522-3264; .
<br/><br/> Articles Contained in SIRS Enduring Issues 2003.  Originally Published: Subterranean Surprises, Oct. 2002; pp. 68-74. 
<br/><br/> "Scientists are discovering that caves--more complex than we ever imagined--may yield deep secrets about the origins of life." (SMITHSONIAN) This article examines active sulfide caves and the theories of their origins. 
<br/><br/><label>ISSN: </label>1522-3264; 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cave ecology.<br/>Hydrogen sulphide.<br/>Life--Origin.<br/>Microbiology.<br/>Microorganisms.<br/>Sulphur bacteria.<br/>Underground areas.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Carlsbad Caverns National Park (New Mexico)<br/>Wyoming.
<br/><br/><label>LC Class. No.: </label>AC1.S5 
<br/><br/><label>Dewey Class. No.: </label>050