what can dna tell us about our ancestors

under a green sky - global warming, the mass extinctions of the past, and what they can tell us about our future

under a green sky - global warming, the mass extinctions of the past, and what they can tell us about our future

... lassitude returning, only an hour till pickup and camp, an hour until that delicious first beer capped a hot day of fos- sil collecting. An hour. What to do for yet another hour? Idly looking do wn ... drab olive of the Permian or the bright red of the Triassic just ahead, but an anomalous candy-cane assemblage of both. Curious now, I stood and followed the strata to the gulley wall, to ... but some number of them will bust instead, just as the Triassic world did, a bust that meant the death of 60 percent of all species on Earth. And guess what our world is rolling the same set...

Ngày tải lên: 08/04/2014, 01:22

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Báo cáo y học: "What do biomarkers tell us about the pathogenesis of ankylosing spondylitis" ppsx

Báo cáo y học: "What do biomarkers tell us about the pathogenesis of ankylosing spondylitis" ppsx

... alka- Editorial What do biomarkers tell us about the pathogenesis of ankylosing spondylitis? Walter P Maksymowych Department of Medicine, University of Alberta, Edmonton, Alberta T6G 2S2 Canada Corresponding ... clearly not feasible in the spine and limited analysis has focused on associations with MRI scores for spinal inflammation. Significant correlations have been reported with interleukin-6 and vasoactive ... major priority for investigation in AS because of the generally slow rate of progression of radiographic change [2]. Such a biomarker could then be used to enrich for rapid progressors in trials...

Ngày tải lên: 09/08/2014, 01:22

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Báo cáo khoa học: " What can nuclear microsatellites tell us about maritime pine genetic resources conservation and provenance certification strategies" pptx

Báo cáo khoa học: " What can nuclear microsatellites tell us about maritime pine genetic resources conservation and provenance certification strategies" pptx

... access this journal online: www.edpsciences.org 708 J. Derory et al. J. Derory et al.Genetic diversity in P. pinaster Original article What can nuclear microsatellites tell us about maritime ... Corsican populations by using the three microsatellites or each microsatellite separately (figures 3A to 3D). The Devinas population was tested and was found to be of Corsican origin by using ... represented in the present study). 4.2. How far microsatellites can be used to define genetic resources conservation strategies in P. pinaster? Microsatellite data obtained for P. pinaster showed con - trasting...

Ngày tải lên: 08/08/2014, 14:20

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báo cáo sinh học:" Internationally trained pharmacists in Great Britain: what do registration data tell us about their recruitment?" pot

báo cáo sinh học:" Internationally trained pharmacists in Great Britain: what do registration data tell us about their recruitment?" pot

... scientist can read your work free of charge "BioMed Central will be the most significant development for disseminating the results of biomedical research in our lifetime." Sir Paul Nurse, Cancer ... Central yours — you keep the copyright Submit your manuscript here: http://www.biomedcentral.com/info/publishing_adv.asp BioMedcentral Human Resources for Health 2009, 7:51 http://www.human-resources-health.com/content/7/1/51 Page ... for citation purposes) Human Resources for Health Open Access Research Internationally trained pharmacists in Great Britain: what do registration data tell us about their recruitment? Ellen I...

Ngày tải lên: 18/06/2014, 17:20

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Báo cáo " WHAT CAN HISTORY TEACH US? A Retrospective Examination of Long-Term Energy Forecasts for the United States " pptx

Báo cáo " WHAT CAN HISTORY TEACH US? A Retrospective Examination of Long-Term Energy Forecasts for the United States " pptx

... ways we cannot anticipate. Static mod- elscannot keep pacewiththe long-termevolutionof the realworld,not justbecause their data and underlying algorithms are inevitably flawed, but because the ... precisely and confidently. Astro- nomical and satellite orbital predictions are a clear example. Satellite orbits can be calculated with enormous precision because orbital mechanics passes these tests. ... range of scenarios can help institutions prepare for the many different ways the future can evolve. Institutions use forecasts to allocate physical and personnel resources. Some businesses have massive...

Ngày tải lên: 24/03/2014, 01:21

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Why do Internet services fail, and what can be done about it? ppt

Why do Internet services fail, and what can be done about it? ppt

... caused about 10% of failures, software about 20%, and system management a bit over 50% [15]. Our study is similar in spirit to two studies of net- work failure causes: Mahajan examined the causes ... extend our sincere gratitude to the operations staff and management at the Internet services who pro- vided us data and answered our questions about the data. This work was only possible because ... benchmarks In addition to focusing dependability research on real-world problem spots, the failure data we have col- lected can be used to create a fault model (or, to use our terminology, component...

Ngày tải lên: 06/03/2014, 21:20

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Báo cáo khoa học: "What Humour Tells Us About Discourse Theories" pdf

Báo cáo khoa học: "What Humour Tells Us About Discourse Theories" pdf

... cohesion through sets of predicates, termed Discourse Representa- tion Structures (DRSs), that represent discourse 32 What Humour Tells Us About Discourse Theories Arjun Karande Indian Institute ... humour in joke (4) results from the polyse- mous use of the word bar. The first sentence leads us to believe that bar is a place where one drinks, but the second sentence forces us to revise our ... of the dis- course. This is discussed in more detail later. 2.1 Lexicons for Discourse modeling Pustejovsky’s Generative Lexicon (GL) model (Pustejovksy, 1995) outlines an ambitious attempt to...

Ngày tải lên: 24/03/2014, 03:20

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Báo cáo sinh học : "What do we know about influenza and what can we do about it" ppsx

Báo cáo sinh học : "What do we know about influenza and what can we do about it" ppsx

... detected by antibodies against the original virus and cause annual, or biennial, ‘seasonal’ influenza outbreaks. Such a virus can spread across the USA within a single month. New HA and NA types ... because the proteins do not fold appropriately. The more commonly used killed vaccines are made from viruses in- activated in formalin or β-propio- lactone and used either as a whole virus or ... H5N1) jump occasionally and cause severe Journal of Biology 2009, 88:: 46 * Department of Microbiology and Immunology, The University of Melbourne, Victoria 3010, Australia. † Department of Immunology, St...

Ngày tải lên: 06/08/2014, 19:20

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Báo cáo lâm nghiệp: "Infrared images of heat fields around a linear heater in tree trunks: what can be learned about sap flow measuremen" pptx

Báo cáo lâm nghiệp: "Infrared images of heat fields around a linear heater in tree trunks: what can be learned about sap flow measuremen" pptx

... the other hand can be more easily recorded. Thus the IR technique is especially suitable e.g. for relatively short-term testing of methods, while limited num- ber of thermocouples can be applied ... J S can be computed. Only experience with the newly to be developed hardware will show what degree of perfection these proposed improved sap measurement tech- niques may develop. In conclusion ... 10.1051/forest:2006046 Original article Infrared images of heat fi elds around a linear heater in tree trunks: what can be learned about sap flow measurement? Helmut T a * , Nadezhda N  b ,JanC b a Hahn-Meither...

Ngày tải lên: 07/08/2014, 16:20

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