{"id":15938,"date":"2013-03-08T13:20:18","date_gmt":"2013-03-08T12:20:18","guid":{"rendered":"https:\/\/ocasapiens-dweb.blogautore.repubblica.it\/?p=15938"},"modified":"2021-09-24T20:07:57","modified_gmt":"2021-09-24T18:07:57","slug":"chansons-a-boire","status":"publish","type":"post","link":"https:\/\/archivio.ocasapiens.org\/index.php\/2013\/03\/08\/chansons-a-boire\/","title":{"rendered":"Chansons \u00e0 boire"},"content":{"rendered":"<p><span style=\"font-size: 13px; line-height: 19px;\">Da <\/span><em>Science<\/em><br \/>\n&#8211; il resveratrolo e simili attivano davvero le sirtuine, <a href=\"http:\/\/www.sciencemag.org\/content\/339\/6124\/1216\" target=\"_blank\" rel=\"noopener\">scrivono<\/a> Basil Hubbard e altri trenta, o almeno in certe condizioni e in vitro l&#8217;enzima SIRT1, detto &#8220;anti-et\u00e0&#8221; per l&#8217;effetto sul vermetto <em>C. elegans<\/em>, sul lievito di birra e l&#8217;amata <em>D. melanogaster<\/em>, in quanto coinvolto nel metabolismo, l&#8217;apoptosi, la riparazione del Dna ecc.<\/p>\n<p>Forse \u00e8 il finale di una polemica che va avanti <a href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/11242085?dopt=Abstract\" target=\"_blank\" rel=\"noopener\">dal 1999<\/a> sui benefici del vino rosso e &#8220;sull&#8217;eccezione francese&#8221; di quelli che si strafogano di cassoulet e campano cent&#8217;anni lo stesso perch\u00e9 lo sciolgono nel bordeaux&#8230;<\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\">&#8211; la caffeina \u00e8 una droga (<\/span><em>drug&#8230;<\/em><span style=\"font-size: 13px; line-height: 19px;\">) che fedelizza le api, <\/span><a href=\"http:\/\/www.sciencemag.org\/content\/339\/6124\/1202.full.pdf\" target=\"_blank\" rel=\"noopener\">scrivono<\/a><span style=\"font-size: 13px; line-height: 19px;\"> Jeri Wright e altri inglesi. Un esperimento molto carino con le api che si fanno di nettare nei fiori di caff\u00e8 e di agrumi:<\/span><\/p>\n<p style=\"text-align: center;\"><em>We measured caffeine in the nectar of three species of Coffea (C. canephora,&nbsp;<span style=\"font-size: 13px; line-height: 19px;\">C. arabica, and C. liberica) and four species of Citrus (C. paradisi, C. maxima, C. sinensis, and C. reticulata)<\/span><\/em><\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\">Poi hanno misurato con quale rapidit\u00e0 e per quanto tempo le api tornavano a farsi una dose dopo un primo assaggio di soluzione zuccherina caffeinata. <\/span><span style=\"font-size: 13px; line-height: 19px;\">Rispetto a quelle che avevano a disposizione solo il sucrosio, imparavano un po&#8217; pi\u00f9 velocemente la strada della droga e soprattutto la ricordavano molto pi\u00f9 a &nbsp;lungo:<\/span><\/p>\n<p style=\"text-align: center;\"><em>Our data show that plant-produced alkaloids like caffeine have a role in addition to defense: They can pharmacologically manipulate a pollinator\u2019s behavior. When bees and other pollinators learn to associate floral scent with food while foraging, they are more likely to visit flowers bearing the same scent signals. Such behavior increases their foraging efficiency while concomitantly leading to more effective pollination.<\/em><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 13px; line-height: 19px;\">Nei dettagli sensoriali e neurologici delle api, c&#8217;\u00e8 la conferma della co-evoluzione di fiori e impollinatori. Non c&#8217;\u00e8 la risposta alla domanda: le api che bottinano caff\u00e8 soffrono d&#8217;insonnia?<\/span><\/p>\n<p><strong><a href=\"http:\/\/climatedesk.org\/wp-content\/uploads\/2013\/03\/marcott-A-1000.jpg\" target=\"_blank\" rel=\"noopener\">Altra mazza da hockey<\/a><\/strong><br \/>\n<span style=\"font-size: 13px; line-height: 19px;\">&#8211; Shaun Marcott, <\/span><a href=\"http:\/\/news.harvard.edu\/gazette\/story\/2012\/04\/illuminating-carbons-climate-effects\/\" target=\"_blank\" rel=\"noopener\">Jeremy Shakun<\/a> <em>et al<\/em><span style=\"font-size: 13px; line-height: 19px;\">. <\/span><a href=\"http:\/\/www.sciencemag.org\/content\/339\/6124\/1198.full\" target=\"_blank\" rel=\"noopener\">paragonano<\/a><span style=\"font-size: 13px; line-height: 19px;\"> la tendenza climatica del primo Olocene e quella attuale in una ricostruzione delle temperature negli ultimi 11.300 anni basata su 73 &#8220;registrazioni&#8221; e proxies globali, comprese quelle oceaniche. Refrain: ci vorrebbero pi\u00f9 dati, nel frattempo risulta il tasso di risaldamento pi\u00f9 veloce che che si sia visto in tutto l&#8217;Olocene:<\/span><\/p>\n<p style=\"text-align: center;\"><em>Early Holocene (10,000 to 5000 years ago) warmth is followed by ~0.7\u00b0C cooling through the middle to late Holocene (&lt;5000 years ago), culminating in the coolest temperatures of the Holocene during the Little Ice Age, about 200 years ago. This cooling is largely associated with ~2\u00b0C change in the North Atlantic. Current global temperatures of the past decade have not yet exceeded peak interglacial values but are warmer than during ~75% of the Holocene temperature history. Intergovernmental Panel on Climate Change model projections for 2100 exceed the full distribution of Holocene temperature under all plausible greenhouse gas emission scenarios.<\/em><\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\">Da <\/span><em><a href=\"http:\/\/http:\/\/www.motherjones.com\/blue-marble\/2013\/03\/new-hockey-stick-graph-scarier\" target=\"_blank\" rel=\"noopener\">Mother Jones<\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>Mann himself, who literally&nbsp;<a href=\"http:\/\/www.amazon.com\/Hockey-Stick-Climate-Wars-Dispatches\/dp\/023115254X\/ref=sr_1_1?s=books&amp;ie=UTF8&amp;qid=1362599253&amp;sr=1-1&amp;keywords=michael+mann+climate\" target=\"_blank\" rel=\"noopener\">wrote the book<\/a> on attacks on climate scientists, said in an email to Climate Desk that he was &#8220;certain that professional climate change deniers will attack the study and the authors, in an effort to discredit this important work,&#8221; especially given the close ties between the two scientists&#8217; research. &#8220;It will therefore be looked at as a threat to vested interests who continue to deny that human-changed climate change is a reality.&#8221;<\/em><\/p>\n<p style=\"text-align: center;\"><em>Marcott admitted he was apprehensive of charging into the fully mobilized troll army, but said he was grateful scientists like Mann had &#8220;gone through hell&#8221; before him to build a support network for harassed climate scientists.&nbsp;<span style=\"font-size: 13px; line-height: 19px;\">&#8220;When Michael came along there was a lot more skepticism about global warming, but the public has come a long way,&#8221; he said. &#8220;I&#8217;m curious to see how the skeptics are going to take this paper.&#8221;<\/span><\/em><\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\">&#8220;Out of context, dear Dr. Marcott, out of context&#8221;, dice il primo commento. Indeed. Da Climatecrocks, il portavoce di Forza Gnocc&#8217;-Uk <\/span><a href=\"http:\/\/climatecrocks.com\/2013\/03\/08\/from-hockey-stick-to-ski-jump\/comment-page-1\/#comment-18969\" target=\"_blank\" rel=\"noopener\">sparge<\/a><span style=\"font-size: 13px; line-height: 19px;\"> il meme d&#8217;ordinanza:<\/span><\/p>\n<p style=\"text-align: center;\"><em>Main issue is resolution in time I believe. It\u2019s several decades at best and will make this paper as inconclusive as every other one. Try it again, Climate Sam!<\/em><\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\">senza nemmeno aver letto il paper per cui viene <\/span><a href=\"http:\/\/climatecrocks.com\/2013\/03\/08\/from-hockey-stick-to-ski-jump\/comment-page-1\/#comment-18976\" target=\"_blank\" rel=\"noopener\">cortesemente<\/a> <a href=\"http:\/\/climatecrocks.com\/2013\/03\/08\/from-hockey-stick-to-ski-jump\/comment-page-1\/#comment-18977\" target=\"_blank\" rel=\"noopener\">deriso<\/a><span style=\"font-size: 13px; line-height: 19px;\">.<\/span><\/p>\n<p><span style=\"font-size: 13px; font-weight: bold; line-height: 19px;\">&#8220;Scenari plausibili&#8221;<\/span><br \/>\nIn un anno la concentrazione atmosferica di CO2 \u00e8 passata da 393,54 a <a href=\"http:\/\/www.esrl.noaa.gov\/gmd\/webdata\/ccgg\/trends\/co2_trend_mlo.pdf\" target=\"_blank\" rel=\"noopener\">396,80 ppm<\/a>, dice la <a href=\"http:\/\/www.esrl.noaa.gov\/gmd\/ccgg\/trends\/\" target=\"_blank\" rel=\"noopener\">NOAA<\/a>, un aumento <a href=\"http:\/\/co2now.org\/Current-CO2\/CO2-Now\/earths-home-page-for-atmospheric-co2.html\" target=\"_blank\" rel=\"noopener\">record<\/a>:<\/p>\n<p style=\"text-align: center;\"><em><a href=\"http:\/\/arxiv.org\/ftp\/arxiv\/papers\/0804\/0804.1126.pdf\" target=\"_blank\" rel=\"noopener\">The upper safety limit is 350 ppm<\/a><\/em><\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\">E le temperature globali <\/span><a href=\"http:\/\/co2now.org\/Current-CO2\/CO2-Now\/global-temperature-update.html\" target=\"_blank\" rel=\"noopener\">si adeguano<\/a><span style=\"font-size: 13px; line-height: 19px;\">, lo dice perfino <\/span><a href=\"http:\/\/www.drroyspencer.com\/latest-global-temperatures\/\" target=\"_blank\" rel=\"noopener\">Roy Spencer<\/a><span style=\"font-size: 13px; line-height: 19px;\">.<\/span><\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\">Da Steph, altre informazioni sui <\/span><a href=\"http:\/\/climafluttuante.blogspot.it\/2013\/03\/arcobaleno-groenlandese.html\" target=\"_blank\" rel=\"noopener\">ghiacci groenlandesi<\/a><span style=\"font-size: 13px; line-height: 19px;\">. Vaut le d\u00e9tour, non fosse che per le foto spettacolari e perch\u00e9 parla della mitica Dorhte. <\/span><\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\">Quanto ai ghiacci dell&#8217;arcipelago canadese, dal 2003 &nbsp;dimagriscono di 70 milioni di tonnellate. Le nevicate pi\u00f9 abbondanti degli inverni miti non compensano perch\u00e9 l&#8217;Artico si scalda pi\u00f9 in fretta: un modello <\/span><a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/grl.50214\/abstract\" target=\"_blank\" rel=\"noopener\">pubblicato<\/a><span style=\"font-size: 13px; line-height: 19px;\"> dai ricercatori olandesi di <\/span><a href=\"http:\/\/www.ice2sea.eu\/news\/pr201302\/\" target=\"_blank\" rel=\"noopener\">earth2sea<\/a><span style=\"font-size: 13px; line-height: 19px;\"> prevede una perdita del 20% entro il 210o se l&#8217;aumento della temperatura globale \u00e8 di 3 \u00b0C.<\/span><\/p>\n<p><strong>BigOilismo<\/strong><br \/>\nIl repubblicano <a href=\"http:\/\/votesmart.org\/candidate\/campaign-finance\/51452\/ed-orcutt#.UToyidY1FNs\" target=\"_blank\" rel=\"noopener\">Ed Orcutt<\/a>, del Washington si oppone a qualunque aumento della tassa sulla benzina, ma vuole&nbsp;<a href=\"http:\/\/blog.cascade.org\/2013\/03\/legislator-to-small-business-owner-bicycling-bad-for-the-environment\/\" target=\"_blank\" rel=\"noopener\">tassare le bici<\/a> perch\u00e9 i ciclisti emettono pi\u00f9 CO2 delle auto e rovinano l&#8217;ambiente. Dopo un coro <a href=\"http:\/\/www.latimes.com\/news\/nation\/nationnow\/la-na-nn-bike-tax-northwest-20130307,0,1525758.story\" target=\"_blank\" rel=\"noopener\">federale<\/a> di <span style=\"text-decoration: line-through;\">pern<\/span> <a href=\"http:\/\/www.huffingtonpost.com\/2013\/03\/04\/ed-orcutt-bike-riders-pollute-environment-washington_n_2805658.html?ir=Business\" target=\"_blank\" rel=\"noopener\">risate<\/a>, ammette di aver <a href=\"http:\/\/www.ecf.com\/wp-content\/uploads\/ECF_CO2_WEB.pdf\" target=\"_blank\" rel=\"noopener\">raccontato frottole<\/a>.<\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\">Dall&#8217;<\/span><em>Economist<\/em><br \/>\n<em>&#8211; <\/em><a href=\"http:\/\/www.economist.com\/blogs\/graphicdetail\/2013\/03\/daily-chart-3\" target=\"_blank\" rel=\"noopener\">Glass-ceiling index<\/a> ovvero perch\u00e9 alle donne conviene andare in Nuova Zelanda;<br \/>\n<span style=\"font-size: 13px; line-height: 19px;\">&#8211; il supplemento trimestrale sulla tecnologia;<\/span><br \/>\n<span style=\"font-size: 13px; line-height: 19px;\">&#8211; <\/span><a href=\"http:\/\/www.economist.com\/news\/business\/21573101-management-tips-catholic-church-pope-ceo\">consigli di management<\/a><span style=\"font-size: 13px; line-height: 19px;\"> per il prossimo CEO della Chiesa cattolica. <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Da Science &#8211; il resveratrolo e simili attivano davvero le sirtuine, scrivono Basil Hubbard e altri trenta, o almeno in certe condizioni e in vitro l&#8217;enzima SIRT1, detto &#8220;anti-et\u00e0&#8221; per l&#8217;effetto sul vermetto C. elegans, sul lievito di birra e l&#8217;amata D. melanogaster, in quanto coinvolto nel metabolismo, l&#8217;apoptosi, la riparazione del Dna ecc. Forse&hellip; <a class=\"more-link\" href=\"https:\/\/archivio.ocasapiens.org\/index.php\/2013\/03\/08\/chansons-a-boire\/\">Continua a leggere <span class=\"screen-reader-text\">Chansons \u00e0 boire<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,6,10],"tags":[543,1061,1482,5835,6356],"class_list":["post-15938","post","type-post","status-publish","format-standard","hentry","category-altri-animali","category-biologia","category-clima","tag-api","tag-caffeina","tag-co2","tag-resveratrolo","tag-sirtuine","entry"],"_links":{"self":[{"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/posts\/15938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/comments?post=15938"}],"version-history":[{"count":2,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/posts\/15938\/revisions"}],"predecessor-version":[{"id":41381,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/posts\/15938\/revisions\/41381"}],"wp:attachment":[{"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/media?parent=15938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/categories?post=15938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/tags?post=15938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}