Why is most ground brown?
May. 1st, 2006 04:41 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
gizaThe fascinating answer can be found on Scientific American:
http://www.sciam.com/askexpert_question.cfm?articleID=000D97F4-1B53-1452-9B5383414B7F0000
http://www.sciam.com/askexpert_question.cfm?articleID=000D97F4-1B53-1452-9B5383414B7F0000
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(no subject)
Date: 2006-05-02 06:51 pm (UTC)