Keeping Up Long Distance
نویسندگان
چکیده
منابع مشابه
Seasonal Time Keeping in a Long-Distance Migrating Shorebird.
Because of the complications in achieving the necessary long-term observations and experiments, the nature and adaptive value of seasonal time-keeping mechanisms in long-lived organisms remain understudied. Here we present the results of a 20-year-long study of the repeated seasonal changes in body mass, plumage state, and primary molt of 45 captive red knots Calidris canutus islandica, a High ...
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We study the computational complexity of distance games, a class of combinatorial games played on graphs. A move consists of colouring an uncoloured vertex subject to it not being at certain distances determined by two sets, D and S. D is the set of forbidden distances for colouring vertices in different colors, while S is the set of forbidden distances for the same colour. The last player to m...
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objects—‘Santa Claus is fat’ has one kind of semantic interpretation, while ‘Bob is fat’ has another. Meanwhile ‘pretense’ theories face the problem (among others) that no pretense seems to be going on at all when we say ‘Santa Claus doesn’t exist’. See Ludlow 1999 pg. 71, and also Brown, 2009, ch. 2. (Even so, such theories may actually be providing the most objectively simple 50 explanations ...
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The outer skin of a higher plant consists of a single layer of cells known as the epidermis. The epidermal layer is established during embryogenesis and is formed continually by cell division in meristems in the developing apices of the root and shoot. The epidermis expands by cell division and cell elongation as the plant grows. In addition to the relatively unspecialised epidermal cells, more...
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Orchids show an astonishing floral diversity yet an ability to hybridize in the hands of breeders. Nigel Williams reports on a new study that shows how neighbours appear to avoid the hybrid trap in the wild.
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ژورنال
عنوان ژورنال: Mechanical Engineering
سال: 2008
ISSN: 0025-6501,1943-5649
DOI: 10.1115/1.2008-oct-2