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Now you see it - now you don't

Article Abstract:

Research is presented concerning the microstructure of the iridescent scales which are found on the wings of male Fabricius butterflies. The tilting of the layers of scales to produce patterns of diffraction are discussed.

Author: Vukusic, P., Sambles, J.R., Lawrence, C.R., Wootton, R.J.

Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2001

Physiological aspects, Butterflies, Iridescence

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An electoral butterfly effect

Article Abstract:

An analysis of the double-column 'butterfly' ballot papers used in Palm Beach during the US presidential election shows that they are unreliable and confusing.

Author: Sinclair, Robert C., Mark, Melvin M., Moore, Sean E., Lavis, Carrie A., Soldat, Alexander S.

Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2000

Case studies, Equipment and supplies, Ballot, Psychological research

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