{"id":17405,"date":"2013-05-03T22:45:12","date_gmt":"2013-05-03T20:45:12","guid":{"rendered":"https:\/\/ocasapiens-dweb.blogautore.repubblica.it\/?p=17405"},"modified":"2021-09-25T19:39:13","modified_gmt":"2021-09-25T17:39:13","slug":"alien-worlds-galore","status":"publish","type":"post","link":"https:\/\/archivio.ocasapiens.org\/index.php\/2013\/05\/03\/alien-worlds-galore\/","title":{"rendered":"Alien worlds galore"},"content":{"rendered":"<p>Da<em> Science<\/em>:<br \/>\n&#8211; gli astronomi americani della missione Kepler <a href=\"http:\/\/www.sciencemag.org\/content\/340\/6132\/587.full\" target=\"_blank\" rel=\"noopener\"><strong>descrivono<\/strong><\/a> 5 pianeti che somigliano tanto a quelli interni del nostro sistema solare (in alto sulla copertina), attorno Kepler 62, pi\u00f9 leggera, vecchia e &#8220;fresca&#8221; del Sole;<\/p>\n<p><strong>&#8211;\u00a0<a href=\"http:\/\/www.sciencemag.org\/site\/special\/exoplanets\/\" target=\"_blank\" rel=\"noopener\">speciale sugli esopianeti<\/a><\/strong><span style=\"font-size: 13px; line-height: 19px;\">. Simil-Terra ancora pochini, ma la caccia \u00e8 appena iniziata. Con una migliore caratterizzazione \u00a0delle &#8220;zone abitabili&#8221; e l&#8217;abbondanza di pianeti <a href=\"http:\/\/stdatu.stsci.edu\/kepler\/\" target=\"_blank\" rel=\"noopener\"><strong>ovunque si cerchino<\/strong><\/a> aumenta la probabilit\u00e0 di trovarne uno abitato, <\/span><a href=\"http:\/\/www.sciencemag.org\/content\/340\/6132\/577.full\" target=\"_blank\" rel=\"noopener\"><strong>scrive Sara Seager<\/strong><\/a><span style=\"font-size: 13px; line-height: 19px;\"> del MIT. Se l&#8217;osservatorio Webb \u00a0un giorno decolla, si potranno identificare i gas da &#8220;biofirma&#8221;,<\/span><\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\"><em>First, we need to discover a pool of super-Earths transiting in the \u201cextended\u201d habitable zones of nearby, quiet M stars. Second, life must not only exist on one of those planets, but must also produce biosignature gases that are spectroscopically active. Regardless of the search for life, the field of exoplanet characterization is on track to understand habitability and to find habitable worlds.<\/em><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 13px; line-height: 19px;\"><em>*<\/em><\/span><\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\">Per il resto, parecchia politica. Editoriale di\u00a0<a href=\"http:\/\/www.sciencemag.org\/content\/340\/6132\/534.full\" target=\"_blank\" rel=\"noopener\"><strong>Jeffrey Mervis<\/strong><\/a> sulla legge lysenkoista gi\u00e0 approvata al Senato:<\/span><\/p>\n<p><em>The bill, called the &#8220;High Quality Research Act,&#8221; is the latest\u2014and bluntest\u2014attack by congressional Republicans on how NSF decides which grant proposals to fund. In late March, Senator Tom Coburn (R\u2013OK) successfully attached language to a 2013 spending bill that prohibits NSF from funding any political science research for the rest of the fiscal year unless its director certifies that the research pertains to economic development or national security.<\/em><\/p>\n<p><span style=\"font-size: 13px; line-height: 19px;\">&#8211; Kenneth Prewitt si <\/span><a href=\"http:\/\/www.sciencemag.org\/content\/340\/6132\/525.full\" target=\"_blank\" rel=\"noopener\"><strong>preoccupa<\/strong><\/a><span style=\"font-size: 13px; line-height: 19px;\"> per la \u00a0scienza di partito che i repubblicani vogliono imporre (si preoccupano un po&#8217; tutti in realt\u00e0, per ora la ricerca americana \u00e8 ancora quella che trascina quella mondiale)<\/span><\/p>\n<p><em>Members of Congress who believe that the executive branch should not try to pick winners and losers in the market economy should certainly realize that the legislative branch should not try to pick winners and losers in science. Every scientific discipline has a stake in undoing the damage inflicted on political science, and, in fact, to the national interest, by the Coburn criteria. Every scientist should vigorously contest any effort to apply those criteria more broadly.<\/em><\/p>\n<p>La coerenza \u00e8 un optional.<\/p>\n<p><a href=\"http:\/\/news.sciencemag.org\/sciencenow\/2013\/05\/robotic-fly-takes-to-the-airbrie.html\" target=\"_blank\" rel=\"noopener\"><strong>Robo-bee<\/strong><\/a>? Semmai <a href=\"http:\/\/www.sciencemag.org\/content\/340\/6132\/603.full\" target=\"_blank\" rel=\"noopener\"><strong>una mosca<\/strong><\/a>. Il primo robo-insetto volante, non credo perch\u00e9 avevo visto l&#8217;<a href=\"http:\/\/harvardmagazine.com\/2008\/01\/tinker-tailor-robot-fly\" target=\"_blank\" rel=\"noopener\"><strong>antenato<\/strong><\/a> a Harvard nel 2007, quando ero andata per il libro sulle api, e volava gi\u00e0 per 4 secondi. Chiss\u00e0 perch\u00e9 non era all&#8217;altezza essere pubblicato.<\/p>\n<p><a href=\"http:\/\/www.economist.com\/news\/science-and-technology\/21577036-insect-robot-no-bigger-fly-takes-air-robodiptera\" target=\"_blank\" rel=\"noopener\"><strong>Ne parla<\/strong><\/a><span style=\"font-size: 13px; line-height: 19px;\"> anche l&#8217;<\/span><em>Economist<\/em><span style=\"font-size: 13px; line-height: 19px;\">. In un articolo sull<\/span><strong>&#8216;<a href=\"http:\/\/www.economist.com\/news\/science-and-technology\/21577035-open-access-scientific-publishing-gaining-ground-free-all\" target=\"_blank\" rel=\"noopener\">editoria scientifica<\/a><\/strong><span style=\"font-size: 13px; line-height: 19px;\"> open access, riprende in parte lo speciale di <\/span><em>Nature<\/em><span style=\"font-size: 13px; line-height: 19px;\">, tre settimane fa, con dati sulla concorrenza:<\/span><\/p>\n<p><em>The current enterprise\u2014selling the results of other people\u2019s work, submitted free of charge and vetted for nothing by third parties in a process called peer review, has been immensely profitable. Elsevier, a Dutch firm that is the world\u2019s biggest journal publisher, had a margin last year of 38% on revenues of \u00a32.1 billion ($3.2 billion). Springer, a German firm that is the second-biggest journal publisher, made 36% on sales of \u20ac875m ($1.1 billion) in 2011 (the most recent year for which figures are available). Such firms are now, though, faced with competitors set up explicitly to cover only their costs. Some rely on charity, but many have a proper business model: academics pay a fee to be published. So, on the principle of \u201cif you can\u2019t beat \u2019em, join \u2019em\u201d, commercial publishers, too, are setting up open-access subsidiaries.<\/em><\/p>\n<p>Le riviste su abbonamento saranno &#8220;immensamente redditizie&#8221;, ma quelle open access non scherzano.<\/p>\n<p>Con oltre 500 riviste tutte in open access ormai, nel 2011 l&#8217;editore egiziano Hindawi &#8211; fondato da 2 studenti di fisica nel 1997 &#8211; aveva un margine di profitto del<strong> <a href=\"http:\/\/scholarlyoa.com\/2013\/04\/04\/hindawis-profits-are-larger-than-elseviers\/\" target=\"_blank\" rel=\"noopener\">52%<\/a> <\/strong>su un fatturato di \u00a0$6,3 milioni. E l&#8217;anno scorso ha raddoppiato il fatturato.<\/p>\n<p>Inoltre nel 2008, Springer ha comprato <strong><a href=\"http:\/\/www.biomedcentral.com\/\" target=\"_blank\" rel=\"noopener\">BioMedCentral<\/a>, <\/strong><a title=\"Chemistry Central\" href=\"http:\/\/www.chemistrycentral.com\/\" target=\"_blank\" rel=\"noopener\"><strong>Chemistry Central<\/strong><\/a> e <strong><a title=\"PhysMath Central\" href=\"http:\/\/www.physmathcentral.com\/\" target=\"_blank\" rel=\"noopener\">PhysMath Central<\/a>,<\/strong> <span style=\"font-size: 13px; line-height: 19px;\">con il ri<\/span><span style=\"font-size: 13px; line-height: 19px;\">sultato di aumentare il proprio margine&#8230;<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Da Science: &#8211; gli astronomi americani della missione Kepler descrivono 5 pianeti che somigliano tanto a quelli interni del nostro sistema solare (in alto sulla copertina), attorno Kepler 62, pi\u00f9 leggera, vecchia e &#8220;fresca&#8221; del Sole; &#8211;\u00a0speciale sugli esopianeti. Simil-Terra ancora pochini, ma la caccia \u00e8 appena iniziata. Con una migliore caratterizzazione \u00a0delle &#8220;zone abitabili&#8221;&hellip; <a class=\"more-link\" href=\"https:\/\/archivio.ocasapiens.org\/index.php\/2013\/05\/03\/alien-worlds-galore\/\">Continua a leggere <span class=\"screen-reader-text\">Alien worlds galore<\/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":[5,25],"tags":[2401,5019,6014],"class_list":["post-17405","post","type-post","status-publish","format-standard","hentry","category-astronomia","category-politica","tag-esopianeti","tag-open-access","tag-robotica","entry"],"_links":{"self":[{"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/posts\/17405","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=17405"}],"version-history":[{"count":2,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/posts\/17405\/revisions"}],"predecessor-version":[{"id":41499,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/posts\/17405\/revisions\/41499"}],"wp:attachment":[{"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/media?parent=17405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/categories?post=17405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/tags?post=17405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}