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Fuzzy maybe, warm no.


Regarding "Obsidian obsidian (ŏbsĭd`ēən), a volcanic glass, homogeneous in texture and having a low water content, with a vitreous luster and a conchoidal fracture.  artifacts artifacts

see specimen artifacts.
 can record ancient climate" (SN: 8/12/06,p. 110), did the researchers take into account that most arrow points and spearheads would have been in contact with the inside of game, a considerably warmer and more humid environment than the ground where the points were found?

DANIEL WOITULEWICZ, DETROIT, MICH v. i. 1. To lie hid; to skulk; to act, or carry one's self, sneakingly. .

The material would be inside game--and at a higher temperature than the environment--for only a short while.--S. PERKINS
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Author:Perkins, S.
Publication:Science News
Article Type:Letter to the editor
Date:Oct 14, 2006
Words:73
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