منابع مشابه
Shining through
It may be in vogue as a car colour, but for millenia insects, birds and fishes have evolved the metallic look. Many insects, birds and fish display vivid metallic colours. But such a show is not the result of pigments, but the structured reflections of light hitting the surface of the organism. Although such reflections are widespread in contemporary species, no one has discovered evidence of s...
متن کاملShining evolutionary light on human sleep and sleep disorders
Sleep is essential to cognitive function and health in humans, yet the ultimate reasons for sleep-i.e. 'why' sleep evolved-remain mysterious. We integrate findings from human sleep studies, the ethnographic record, and the ecology and evolution of mammalian sleep to better understand sleep along the human lineage and in the modern world. Compared to other primates, sleep in great apes has under...
متن کاملMicafungin in Inflamed Human Eyes
4 Kiyofumi Mochizuki, MD, PhD, Akira Sawada, MD, PhD, Shinsuke Suemori, MD, PhD, 5 Hideaki Kawakami, MD, PhD, Yoshiaki Niwa, MD, PhD, Yuji Kondo, MD, PhD, Kiyofumi 6 Ohkusu, PhD, Noriaki Yamada, MD, Shinji Ogura, MD, PhD, Takashi Yaguchi, PhD, Kazuko 7 Nishimura, MD, PhD, Satoshi Kishino, PhD 8 9 Department of Ophthalmology, Gifu University Graduate School of Medicine, Gifu 10 Department of Oph...
متن کاملScleral Thickness in Human Eyes
PURPOSE To obtain information about scleral thickness in different ocular regions and its associations. METHODS The histomorphometric study included 238 human globes which had been enucleated because of choroidal melanomas or due to secondary angle-closure glaucoma. Using light microscopy, anterior-posterior pupil-optic nerve sections were measured. RESULTS In the non-axially elongated grou...
متن کاملViewpoint Diamond Spins Shining Bright
The quantum internet of the future could take many forms, but its core components will be quantum bits (qubits) that can store information and qubits that can carry information [1, 2]. Atom-sized defects in diamond called silicon vacancy centers are promising candidates as the storage component: they possess a single spin whose quantum state (such as a superposition between “up” and “down”) cou...
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ژورنال
عنوان ژورنال: Nature
سال: 1912
ISSN: 0028-0836,1476-4687
DOI: 10.1038/088517e0