New spin on the world
Article Abstract:
An overview of anthropological research is presented, which indicates that the North American continent was populated by humans as many as 20 to 30 thousand years ago. Scientists have classified 97% of Native Americans into four groups, based on mitochondrial DNA. The theories of five scientists are presented.
Publication Name: Popular Science
Subject: Science and technology
ISSN: 0161-7370
Year: 2001
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Blood cleaner
Article Abstract:
Issues are presented concerning the development of a blood cleaning agent named S-59 which binds to nucleic acid preventing replication. The S-59 agent has been developed by the Cerus Corporation.
Publication Name: Popular Science
Subject: Science and technology
ISSN: 0161-7370
Year: 2000
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Water desalination
Article Abstract:
A description is presented of the use of the process of reverse osmosis for the desalination of sea water. The five stages which the sea water goes through within the plant are discussed.
Publication Name: Popular Science
Subject: Science and technology
ISSN: 0161-7370
Year: 2001
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