منابع مشابه
Feathered dinosaurs, flying dinosaurs, crown dinosaurs, and the name “Aves”
The taxon name “Aves” is currently used for several different clades, a situation that violates the fundamental nomenclatural principle that, to minimize ambiguity, each taxon name should refer to a single taxon. To clarify this situation, we explore some general issues concerning the properties of the three classes of phylogenetic definitions, including: how names can be tied to clades through...
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During the Miocene period, from 25 to 12 million years ago, climate change drove plants and animals to evolve toward their modern forms and distribution. The fossil and geological records show considerable fluctuation in global temperature during this time, but not all proxies for atmospheric CO2 data show a link between CO2 and Miocene climate. Wolfram Kürschner et al. tap a new source of CO2 ...
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Mash-ups of web content are a quickly growing in popularity due to an increasing amount of public APIs for web services. Similarly, web-enabled cellular phones are becoming increasingly pervasive. We present Lash-Ups, a toolkit that enables programmers to create mash-up-like locationaware web services for phones. This toolkit solves two fundamental problems. First, it provides a simple, standar...
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ژورنال
عنوان ژورنال: Nature
سال: 1996
ISSN: 0028-0836,1476-4687
DOI: 10.1038/381569a0