Results 61 to 70 of about 551,845 (312)
The Journal of Thoracic and Cardiovascular Surgery, 2010 I am indebted to many people for the opportunity to be a thoracic surgeon. First and foremost, I thank my family. My parents, Peggy and Charles, met as undergraduates at the University of Colorado and will celebrate their 58th wedding anniversary in September 2009. They taught me the importance of responsibility, perseverance, and hard work.
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Protecting endangered memories [PDF]
Nature Neuroscience, 2010 Memories are continually adapted by ongoing experience. A study now suggests that the reactivation of previously stored memories during the formation of new memories is a critical mechanism for determining memory survival.
Fernandez, G.S.E. +2 more
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Variation in parrot jaw musculature
The Anatomical Record, EarlyView.Interspecific morphological differences in some superficial jaw muscles of parrots. Abstract Psittaciformes, the order encompassing parrots and their relatives, are highly diverse and generally known for having a strong beaks used for multiple behaviors. The muscles related to the masticatory apparatus should reflect this functional complexity; however,
Ana Carolina L. Faillace +3 more
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Micropropagação de umburana de cheiro Micropropagation of umburana de cheiro
Ciência Rural, 2013 Umburana-de-cheiro é uma espécie nativa da Caatinga, amplamente utilizada pela população local, devido o valor madeireiro, ornamental, forrageiro e, principalmente medicinal.
Vania Celene Alecrim Campos +4 more
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Space-Based Genetic Cryoconservation of Endangered Species [PDF]
, 1996 Genetic materials of endangered species must be maintained, for cryoconservation, permanently near liquid nitrogen temperatures below 77 K. Due to the instability of human institutions, permanent safety is best provided at storage sites that maintain ...
Mautner, Michael Noah
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Endangered species and endangered knowledge
Zootaxa, 2009 The recent discovery of a new species of land iguana in the Galapagos (Tzika et al. 2008; Gentile et al. 2009; Gentile & Snell 2009) is indeed an exciting novelty, of great interest to all zoologists and evolutionary biologists. This species being apparently represented only by a very small population with a very limited range, it was described as ...
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The Anatomical Record, EarlyView.Abstract Basking sharks, Cetorhinus maximus (Gunnerus, Brugden [Squalus maximus], Det Kongelige Norske Videnskabers Selskabs Skrifter, 1765, vol. 3, pp. 33–49), feed by gaping their mouths and gill slits, greatly reorienting their cranial skeletons to filter food from water.
Tairan Li +12 more
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Micropropagation of Syngonanthus elegantulus Micropropagação de Syngonanthus elegantulus
Ciência e Agrotecnologia, 2013 The species Syngonanthus elegantulus Ruhland is an important native plant used as cut flowers, but extractive exploration has caused the endangered status of this plant.
Rogério Gomes Pêgo +2 more
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The Anatomical Record, EarlyView.Abstract As habitat salinity markedly differs between the endangered, freshwater‐dwelling Saimaa ringed seal (Pusa saimensis Nordquist, 1899) and the brackish water‐inhabiting Baltic ringed seal (Pusa hispida botnica Gmelin, 1788), we investigated whether this difference has resulted in morphological changes to their kidneys.
Heini Nihtilä, Juha Laakkonen
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Alien plants in urban nature reserves : from red-list species to future invaders? [PDF]
, 2011 Urban reserves, like other protected areas, aim to preserve species richness but conservation efforts in these protected areas are complicated by high proportions of alien species.
Jarošík, Vojtěch +2 more
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