منابع مشابه
Stitching Images Back Together
When a large visual is scanned into a computer in pieces, or printed out across multiple sheets of paper, distortions are often introduced in the scanning or printing process that make it impossible to fully reconstruct the original visual ideally. For clarity, we refer to the pieces of the visual as images, and the whole visual as the picture. Typically, either scanning or printing is done wit...
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putative calcium channel specific to sperm tails may be the best target yet for a male contraceptive. The protein, dubbed CatSper, was discovered in a homology search by David Clapham and colleagues of Harvard Medical School, Boston, MA. CatSper looks like a calcium channel, although Clapham could not detect a calcium current in transfected cells, probably because another component of the chann...
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Dormant tumors awaken hat happens during tumor remission? After chemotherapy, tumor cell numbers may be reduced, or surviving cells may enter an altered, dormant state. Evidence for dormancy now comes from Catherine Shachaf, Dean Felsher (Stanford University, Stanford, CA), and colleagues. In their mouse model, liver tumors can be forced into dormancy and then reawakened at will. As in previous...
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The nations of the European Union (EU) spent €80 billion ($100 billion) last year on public nonmilitary research and development , yet European science still seems to have a quality gap compared with the US. For example, the EU produces 33% of research papers published annually worldwide but garners only 34% of citations, compared with the US, which publishes 29% of papers but earns 41% of cita...
متن کاملStitching together RNA tertiary architectures.
The powerful explanatory paradigm of molecular biology requiring form to co-evolve with function has again been proven successful when, over the recent two decades, a wealth of biological functions have been uncovered for RNA. Previously considered as a mere mediator of the genetic code, RNA is now acknowledged as a key player in a wide variety of cellular processes. Along with the discovery of...
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ژورنال
عنوان ژورنال: Astronomy & Geophysics
سال: 2021
ISSN: 1366-8781,1468-4004
DOI: 10.1093/astrogeo/atab042