CanBuyMeHappiness
Addinganewtwisttoanoldclaim,sociologistshaveshownthatmoneydoesindeedbuyhappiness,butonlyaslongasitkeepspeopleaheadoftheirpeers.Inanationwhereincomesrisethroughoutadulthood,thefindingscouldexplainwhyAmericansbuymoreandmoretosustainabaselevelofhappiness.Moneymatters.Richerpeoplearelikeliertobehappier,butonlyifthey'rewealthierthantheirneighbors.
CREDIT:clipart.comManysurveys...[
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早上刚刚从强哥处拿到2005国际应用藻类学大会及中国海洋湖沼学会的论文摘要集，大致快快地翻了一遍，发觉最具有冲击力、最有idea的还是从前我国内实验室的几个工作，确实可喜可贺啊！那几个结果都是可以发好文章。其他的，虽然不是那么震撼，不过也够我觉得肩上一重。赶紧给徐老师发了贺信，顺便对蓝藻基因全长的克隆及DNA提取方法发出求助，希望这次他会给我回复[
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Thegenedensityofeukaryoticnucleargenomesisgenerallylowrelativetoprokaryotes,butseveraleukaryoticlineages(manyparasitesorendosymbionts)haveindependentlyevolvedhighlycompacted,gene-densegenomes.Thebeststudiedofthesearethemicrosporidia,highlyadaptedfungalparasites,andthenucleomorphs,relictnucleiofendosymbioticalgaefoundincryptomonadsandchlorarachniophytes.Thesesystemsarenowmodelsfortheeffectsofcompac...[
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21July2005
AliveandKickingUndertheSeaFloor
Thebottomoftheseaisabiologist'swonderland,butscientistsareonlybeginningtounderstandtheevenmoremysteriousorganismsthatlivedeepunderitsfloorboards.Theseburiedmicrobialcommunitieshavebeenthoughttobesimpleandnearlydormant.Now,astudyofsedimentsburiednearlyhalfakilometerbelowthePacificrevealssurprisinglycomplexandactivepopulations.Buriedalive..Livingbac...[
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AtlantisRisesAgain
Locationiseverything,andperhapsnolocationhasbeenmoredebatedthanthatofthelegendaryislandofAtlantis.NowascientistisarguingthatasubmergedlandmassofftheWestAfricancoasthasageologicalhistorythatfitswellwiththefirstwrittenaccountsoftheisland.Sinkingfeeling.ThetimelineofeventsonSpartelIslandaccordingtoCollina-Girard.Byaround12,000yearsago,theislandwouldhavebeenalmostcompletelysubme...[
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IRENES.LEVINE
UNITEDSTATES
22JULY2005MycellphoneringswhileI'mimmersedinwritingamanuscriptatmyoffice.Apublicationdeadlineislooming,butmyteenagesonneedshelpwithacalculusproblem,now.Puttingonmy"GoodMother"hat,Istoptohelphim.WhenIreturntomytask,IrealizethatI'velostnotonlyanimportantreferencebutalsomytrainofthought.Whilemyfamilydriftsofftosleep,my"nightshift"begins.Iworkuninterruptedatmyhomecom...[
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Don'tCallItJunk
Howdidsimpleorganismslikeyeastandwormsevolveintoonesascomplexasbirdsandmammals?Accordingtoabroadcomparativestudyofgenomes,theanswermaylieintheirjunkDNA.Trashistreasure.Themorecomplextheorganism,themorehighlyconserveditsjunkDNA.
CREDIT:NHGRI;(bottomright)A.Siepel/U.WashingtonEversincethesequencingofthefirstgenomesfromeukaryotes--agroupthatincludesyeastandhumans--scientistsha...[
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ScienceNextWavehttp://nextwave.sciencemag.org/cgi/content/full/2005/07/14/4http://www.hhmi.org/grants/pdf/labmgmt/book.pdflabmanagerWhenParis-basedmolecularbiologistAnneBertolottifirstencounteredthephrase"fewerconflicts,moreresults"--thepartialtitleofatrainingopportunityforacademicscientist--itmadeastrongimpression."TheArtofLeadership--FewerConflicts,MoreResults,"isthenameofalaboratorymanagementco...[
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Science,Vol309,Issue5732,310-311,8July2005
ReportsMicroRNAExpressioninZebrafishEmbryonicDevelopmentErnoWienholds,1WigardP.Kloosterman,1EricMiska,2,3EzequielAlvarez-Saavedra,2EugeneBerezikov,1EwartdeBruijn,1H.RobertHorvitz,2SakariKauppinen,4RonaldH.A.Plasterk1*MicroRNAs(miRNAs)aresmallnoncodingRNAs,about21nucleotidesinlength,thatcanregulategeneexpressionbybase-pairingtopartiallycomplementarymRN...[
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http://www.pnas.org/cgi/reprint/102/27/9703ThenewestPNASpaper.....amazing!TwoclassesofsmallRNAs,microRNAsandshort-interferingRNA(siRNAs),havebeenextensivelystudiedinplantsandanimals.InArabidopsis,thecapacitytouncoverpreviouslyuncharacterizedsmallRNAsbymeansofconventionalstrategiesseemstobereachingitslimits.TodiscovernewplantsmallRNAs,wedevelopedaprotocoltomineanArabidopsisnonannotated,noncodingEST...[
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