منابع مشابه
XII SCHOOL OF PURE AND APPLIED BIOPHYSICS The ever changing world of (hemo)globins
Bright and short x-ray flashes extracted from a synchrotron allow the study of the structuraldynamics of proteins at medium resolution (~ 10 Ang) with 100ps time resolution. Heme-basedproteins, due to their natural light sensitivity and robustness, are particularly suited for such studies.In this contribution I will discuss the basic components of the experiment apparatus and th...
متن کاملCognition in an ever-changing world: climatic variability is associated with brain size in Neotropical parrots.
Research on the conditions favoring the evolution of complex cognition and its underlying neural structures has increasingly stressed the role of environmental variability. These studies suggest that the ability to learn, behave flexibly and innovate would be favored under unpredictable variations in the availability of resources, as it would enable organisms to adjust to novel conditions. Desp...
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ژورنال
عنوان ژورنال: Nature
سال: 1990
ISSN: 0028-0836,1476-4687
DOI: 10.1038/344885a0