منابع مشابه
Dynamic mimicry in an Indo-Malayan octopus.
During research dives in Indonesia (Sulawesi and Bali), we filmed a distinctive long-armed octopus, which is new to science. Diving over 24 h periods revealed that the 'mimic octopus' emerges during daylight hours to forage on sand substrates in full view of pelagic fish predators. We observed nine individuals of this species displaying a repertoire of postures and body patterns, several of whi...
متن کاملFirst report of Dermatopelte Erdős & Novicky (Hymenoptera, Eulophidae) from the Indo-Malayan realm, with descriptions of new species.
Four new species of Dermatopelte Erdős & Novicky (Hymenoptera, Eulophidae), D. bavilucus n. sp., D. collis n. sp., D. hanoica n. sp. and D. heratyi n. sp., are described from the Indo-Malayan biogeographic realm, the first three based on females and the last on a male. While similar to previously described Nearctic and Palearctic species, these new species comprise a distinct species group defi...
متن کاملTough spiders
Spider graphs are the intersection graphs of subtrees of subdivisions of stars. Thus, spider graphs are chordal graphs that form a common superclass of interval and split graphs. Motivated by previous results on the existence of Hamilton cycles in interval, split and chordal graphs, we show that every 3/2-tough spider graph is hamiltonian. The obtained bound is best possible since there are (3/...
متن کاملPeacock spiders
How has the environment at the Champalimaud Neuroscience Programme influenced your work? We develop and use high resolution, dynamic, quantitative readouts of behavior. This is a real strength at the institute and strongly resonates with me due to the approach I developed while working on the cell biology of trachea morphogenesis. For me, biology is about regulating dynamic processes and if you...
متن کاملSocial spiders
References 1. Buss, L.W. (1987). The Evolution of Individuality (Princeton, New Jersey: Princeton University Press). 2. Bonner, J.T. (1967). The Cellular Slime Molds, Second Edition (Princeton, New Jersey: Princeton University Press). 3. Buss, L.W. (1982). Somatic cell parasitism and the evolution of somatic tissue compatibility. Proc. Natl. Acad. Sci. USA 79, 5337–5341. 4. Kessin, R.H. (2001)....
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ژورنال
عنوان ژورنال: Nature
سال: 1894
ISSN: 0028-0836,1476-4687
DOI: 10.1038/051153c0