{"id":1549,"date":"2014-05-15T15:08:43","date_gmt":"2014-05-15T20:08:43","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=1549"},"modified":"2014-05-15T22:19:58","modified_gmt":"2014-05-16T03:19:58","slug":"pourquoi-une-pieuvre-ne-sentortille-pas-sur-elle-meme","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/pourquoi-une-pieuvre-ne-sentortille-pas-sur-elle-meme\/","title":{"rendered":"Pourquoi une pieuvre ne s&#8217;entortille pas sur elle-m\u00eame?"},"content":{"rendered":"<div id=\"attachment_1547\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/11847079564_738048a775_b.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1547\" class=\"size-full wp-image-1547\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/11847079564_738048a775_b.jpg\" alt=\"La peau des pieuvres s\u00e9cr\u00e8te un compos\u00e9 chimique qui emp\u00eache ses propres ventouses de se coller entre elles. (Cr\u00e9dit: Joe Parks, via Flickr)\" width=\"400\" height=\"312\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/11847079564_738048a775_b.jpg 400w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/11847079564_738048a775_b-300x234.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-1547\" class=\"wp-caption-text\">La peau des pieuvres s\u00e9cr\u00e8te un compos\u00e9 chimique qui emp\u00eache ses propres ventouses de se coller entre elles. (Cr\u00e9dit: <a href=\"https:\/\/www.flickr.com\/photos\/parksjd\/11847079564\/\">Joe Parks, via Flickr<\/a>)<\/p><\/div>\n<p dir=\"ltr\" style=\"color: #222222;\"><span style=\"color: #000000;\">Une nouvelle \u00e9tude montre que la peau des pieuvres s\u00e9cr\u00e8tent une substance chimique qui repousse ses propres ventouses. Les tentacules des pieuvres ne s\u2019accrochent pas \u00e0 sa propre peau ou sur les objets recouverts de peau de pieuvre. Les chercheurs doivent maintenant d\u00e9terminer quelle substance exactement provoque ce ph\u00e9nom\u00e8ne. De mani\u00e8re surprenante, une pieuvre peut aussi d\u00e9cider de ne pas tenir compte de cette r\u00e9action pour saisir et manger un tentacule d\u2019une autre pieuvre d\u00e9c\u00e9d\u00e9e par exemple.<\/span><\/p>\n<h4 dir=\"ltr\" style=\"color: #222222;\"><a style=\"color: #1155cc;\" href=\"http:\/\/www.eurekalert.org\/emb_releases\/2014-05\/cp-hod050714.php\" target=\"_blank\">Vid\u00e9os disponibles<\/a><span style=\"color: #000000;\">.<\/span><\/h4>\n<p>&nbsp;<\/p>\n<p>Pour lire l\u2019article original publi\u00e9 dans\u00a0<em>Current Biology\u00a0<\/em>le\u00a0<strong>15 Mai<\/strong><strong>\u00a02014<\/strong>,\u00a0<span style=\"text-decoration: underline;\"><span><a href=\"http:\/\/www.cell.com\/current-biology\/abstract\/S0960-9822(14)00462-X\" target=\"_blank\">cliquez\u00a0ici<\/a><\/span><\/span>.<\/p>\n<p><span style=\"text-decoration: underline;\"><span><em><strong>Auteur \u00e0 contacter pour plus d\u2019informations<\/strong><\/em><\/span><\/span><\/p>\n<h4 dir=\"ltr\" style=\"color: #222222;\"><a style=\"color: #1155cc;\" href=\"http:\/\/www.octopus.huji.ac.il\/site\/index.html\" target=\"_blank\">Benny Hochner<\/a><span style=\"color: #000000;\">, Universit\u00e9 h\u00e9bra\u00efque de J\u00e9rusalem, Isra\u00ebl<\/span><\/h4>\n<h4 dir=\"ltr\" style=\"color: #222222;\"><a style=\"color: #1155cc;\" href=\"http:\/\/octopus.huji.ac.il\/site\/guylevy\/guylevy.html\" target=\"_blank\">Guy Levy<\/a><span style=\"color: #000000;\">, Universit\u00e9 h\u00e9bra\u00efque de J\u00e9rusalem, Isra\u00ebl<\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Une nouvelle \u00e9tude montre que la peau des pieuvres s\u00e9cr\u00e8tent une substance chimique qui repousse ses propres ventouses. Les tentacules des pieuvres ne s\u2019accrochent pas \u00e0 sa propre peau ou sur les objets recouverts de peau de pieuvre. Les chercheurs doivent maintenant d\u00e9terminer quelle substance exactement provoque ce ph\u00e9nom\u00e8ne. De mani\u00e8re surprenante, une pieuvre peut [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1547,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[531],"tags":[235,1472,66,919],"class_list":["post-1549","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest-fr","tag-animaux","tag-biochimie","tag-biologie","tag-evolution-fr"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/11847079564_738048a775_b.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-oZ","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1549","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=1549"}],"version-history":[{"count":1,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1549\/revisions"}],"predecessor-version":[{"id":1550,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1549\/revisions\/1550"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/1547"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=1549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=1549"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=1549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}