Flamingos on the runway!
نویسندگان
چکیده
منابع مشابه
Obstetrics & Gynecology Science, on the runway
Congratulations are in order for the rebirth of our society’s official journal as “Obstetrics & Gynecology Science.” Moreover, I am greatly honored and privileged to have been granted an opportunity through the naming contest to make a small contribution in this historical transition. When a child is born, the very first thing the parents do is name the child. Just as in placing a cornerstone i...
متن کاملsurvey on the rule of the due & hindering relying on the sheikh ansaris ideas
قاعده مقتضی و مانع در متون فقهی کم و بیش مستند احکام قرار گرفته و مورد مناقشه فقهاء و اصولیین می باشد و مشهور معتقند مقتضی و مانع، قاعده نیست بلکه یکی از مسائل ذیل استصحاب است لذا نگارنده بر آن شد تا پیرامون این قاعده پژوهش جامعی انجام دهد. به عقیده ما مقتضی دارای حیثیت مستقلی است و هر گاه می گوییم مقتضی احراز شد یعنی با ماهیت مستقل خودش محرز گشته و قطعا اقتضاء خود را خواهد داشت مانند نکاح که ...
15 صفحه اولPassive Stay Mechanism Allows Flamingos to Sleep on One Leg
INTRODUCTION How do birds, like flamingos (Phoenicopteridae), sleep while standing on one leg? It is suggested that this behavior reduces heat energy lost through the legs [1]. Yet, the muscular energy required to actively support the body in this pose would likely offset any thermal benefits. In particular, flamingo femurs are oriented horizontally (Figure 1), which places the knee and hip joi...
متن کاملStatistical Models of Runway Incursions Based on Runway Intersections and Taxiways
According to the Federal Aviation Administration (FAA), the number of runway incursions are rising. The configuration of runways and taxiways at airports has been identified by the FAA as possibly being related to the number of incursions. In this paper, the relationship between airport geometry factors and the number of runway incursions at specific United States airports is explored using sta...
متن کاملRelationships and Evolution of Flamingos (Aves: Phoenicopteridae)
Olson, Storrs L., and Alan Feduccia. Relationships and Evolution of Flamingos (Aves: Phoenicopteridae). Smithsonian Contributions to Zoology, number 316, 73 pages, 40 figures, 2 tables, 1980.—Previous evidence supposedly showing a relationship between flamingos and either storks (Ciconiiformes) or ducks (Anseriformes) is re-examined in light of the recent hypothesis deriving flamingos from shor...
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ژورنال
عنوان ژورنال: Bulletin of the African Bird Club
سال: 2011
ISSN: 1352-481X
DOI: 10.5962/p.309934