When stretched out, the genome of a single human cell can reach six feet. To package it all into a tiny nucleus, the DNA strand is tightly wrapped around a core of histone proteins in repeating units—each unit known ...
Cell & Microbiology
Apr 30, 2012
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Development of new therapies for a range of medical conditions—from common sports injuries to heart attacks—will be supported by a new production-scale microthread extruder designed and built by a team of graduate ...
Engineering
Apr 30, 2012
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Perched atop the sheer coastal cliffs of Ireland's Aran Islands, ridges of giant boulders have puzzled geologists for years. What forces could have torn these rocks from the cliff edges high above sea level and deposited ...
Earth Sciences
Apr 30, 2012
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Historically, fly and human Polycomb proteins were considered textbook exemplars of transcriptional repressors, or proteins that silence the process by which DNA gives rise to new proteins. Now, work by a team of researchers ...
Cell & Microbiology
Apr 30, 2012
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(Phys.org) -- A Bill has been introduced in Washington to stop employers and schools from demanding access to people’s social network accounts. On Friday, Rep. Eliot Engel (D-NY) presented SNOPA, which stands for the ...
Researchers at the University at Buffalo School of Management have proposed a better way of measuring the capabilities of IT service providers in a study recently published in IEEE Transactions on Engineering Management.
Software
Apr 30, 2012
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(Phys.org) -- What can social networks on the internet know about persons who are friends of members, but have no user profile of their own? Researchers from the Interdisciplinary Center for Scientific Computing of Heidelberg ...
Internet
Apr 30, 2012
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In a rapid communication just published in the Canadian Journal of Fisheries and Aquatic Sciences, biologist Douglas Swain of the Gulf Fisheries Centre and Robert Mohn, emeritus scientist, at the Bedford Institute of Oceanography ...
Ecology
Apr 30, 2012
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New evidence proves humans are continuing to evolve and that significant natural and sexual selection is still taking place in our species in the modern world.
Evolution
Apr 30, 2012
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Everyone wants to present themselves in the best light - especially when it comes to finding a partner. Some rely on supplying honest information about their attributes while others exaggerate for good effect. A new study ...
Plants & Animals
Apr 30, 2012
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