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Where have all the boys gone? The mysterious decline in male births

Article Abstract:

The reported decline in the number of newborn males in developing countries suggests the effects of environmental factors or pollution in human development. The sensitivity of the Y chromosome to environmental pollutants may be the cause of the declining number of newborn males.

Author: Alpert, Mark
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1998
Research, Genetic aspects, Developmental biology, Teratogenic agents, Y chromosome

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The fallout from Cassini

Article Abstract:

Critics of space probe Cassini claim that its plutonium fuel would pulverize into fine particles that would scatter across the atmosphere if it hit the Earth. That scenario is predicted to result in 120 fatal cases of cancer to hundreds of thousands of deaths.

Author: Alpert, Mark
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1999
Space probes, Cassini (Space probe)

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Not just fun and games

Article Abstract:

English-born mathematician John H. Conway, best known for devising the game of Life, has made an important contribution to number theory, logic, geometry and topology.

Author: Alpert, Mark
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1999
Biography, Mathematicians, Conway, John H.

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Subjects list: Environmental aspects
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