Evolution evolving
Article Abstract:
Technical difficulties have hindered scientists and researchers from providing a concrete evidence for the existence of directed mutation and hypermutation. In 1988, a researcher pointed out the possibility that cells can determine the type of mutations that will occur.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1997
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Weird wonders: was the Cambrian explosion a big bang or a whimper?
Article Abstract:
Many diverse animals appear to have evolved around 560 million years ago, during the Cambrian era. Paleontologist Stephen Jay Gould has made the controversial claim that this could not have been the result of conventional evolution.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1992
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Cambrian jolt: how often did mass extinctions reshape evolution?
Article Abstract:
Researcher Philip W. Signor has found evidence of a sixth mass extension in the early Cambrian period, which helps to explain the rapid appearance of new classes of animals during that period.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1992
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