Glandular gifts
Article Abstract:
Some male species of crickets, particularly the katydids, are equipped with a bag filled with sperms, which female varieties eat to indicate the end of mating process. These postcoital meal structures, called spermatophylax, were first identified by John Feilner in 1859.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1997
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No wimps allowed
Article Abstract:
Cheerleading is just as physically exacting as playing sports is. Cheerleaders are required to gracefully execute high leaps, backward flips, basket tosses, double fulls and toss reverse cupies while maintaining weight and stamina.
Publication Name: Southern Living
Subject: Home and garden
ISSN: 0038-4305
Year: 1996
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Limits to evolution
Article Abstract:
Evolution is discussed with reference to its limitations and the reasons for this. Genetic mutation is described and the varying constraints which occur on it are presented.
Publication Name: Analog Science Fiction & Fact
Subject: Literature/writing
ISSN: 1059-2113
Year: 2000
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