Scaling the icy peaks
Article Abstract:
Ice ages are thought to be linked to changes in the orbit of the earth, and can be measured by testing for heavy oxygen levels in sediment from under the sea. Links between oscillations and heavy oxygen do not show a pattern, and changes affecting the plane of the orbit of the earth have also been suggested as causes of ice ages. University of North Caolina's Jose Rial has found three separate cycles which are linked to the oxygen cycle. A 413,00 year cycle is linked to frequency modulations, Rial argues.
Publication Name: The Economist (UK)
Subject: Business, international
ISSN: 0013-0613
Year: 1999
User Contributions:
Comment about this article or add new information about this topic:
Form an orderly queue
Article Abstract:
Queuing customers quickly become irritated if they are uncomfortable whilst waiting for an entertainment ride. Major attraction operators have overcome this by offering a variety of pre-show entertainments involving three-dimensional graphics and live entertainers. Pre-show entertainment is best received if it relates to the overall theme of the main attraction. Crowds dislike queues over 42 inches wide because queue-jumping occurs.
Publication Name: Leisure Management
Subject: Travel industry
ISSN: 0266-9102
Year: 1997
User Contributions:
Comment about this article or add new information about this topic:
One of three Cambrian radiations?
Article Abstract:
The sudden appearance of a Burgess shale-like fauna organisms with bilateral symmetry has attracted the attention of paleontologists and phylogeneticists alike. New research suggests three simultaneous radiation events that were likely caused by external factors may have taken place.
Publication Name: Science
Subject: Science and technology
ISSN: 0036-8075
Year: 1998
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: The ethics of remediation. "I survived the flesh-eating bacteria." (includes related article)
- Abstracts: A Glimpse of the Holy Grail? Sihanouk, Norodom
- Abstracts: Out of the smoke. Testing for tainted gold
- Abstracts: No more bullish predictions. Hot under the collar
- Abstracts: Why do things become more complex? The color purple