{"id":22175,"date":"2021-03-16T17:39:54","date_gmt":"2021-03-16T16:39:54","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=22175"},"modified":"2021-03-16T17:39:54","modified_gmt":"2021-03-16T16:39:54","slug":"decouverte-de-plantes-qui-ont-pousse-sous-le-groenland-il-y-a-moins-de-1-million-dannees","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/decouverte-de-plantes-qui-ont-pousse-sous-le-groenland-il-y-a-moins-de-1-million-dannees\/","title":{"rendered":"D\u00e9couverte de plantes qui ont pouss\u00e9 sous le Groenland, il y a moins de 1 million d&rsquo;ann\u00e9es"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Une carotte pr\u00e9lev\u00e9e au Groenland pendant la guerre froide dans le cadre d\u2019une mission militaire secr\u00e8te vient de nous r\u00e9v\u00e9ler un tr\u00e9sor. \u00c0 l\u2019int\u00e9rieur, des chercheurs ont isol\u00e9 et analys\u00e9 des restes de plantes incroyablement bien pr\u00e9serv\u00e9s. Il y a pr\u00e8s d\u2019un million d\u2019ann\u00e9es, elles tapissaient ces terres aujourd\u2019hui recouvertes de glace. Le s\u00e9diment, gel\u00e9 sous pr\u00e8s de 1,4 km de glace, contient des plantes fossiles bien pr\u00e9serv\u00e9es et des biomol\u00e9cules provenant d&rsquo;au moins deux p\u00e9riodes chaudes sans glace.&nbsp;<\/p>\n<p>En rin\u00e7ant le sol gel\u00e9 pour trier ces s\u00e9diments, les chercheurs isolent alors de petits grains noirs suspects flottant dans l\u2019eau. Andrew Christ les met sous microscope et\u2026 surprise : il tombe sur des brindilles et des feuilles fossiles. \u201cQuand nous les avons retir\u00e9es et que nous avons mis un peu d\u2019eau dessus, elles se sont en quelque sorte d\u00e9roul\u00e9es, comme si elles \u00e9taient mortes hier !\u201c, explique-t-il.<\/p>\n<p>La d\u00e9couverte est importante dans la mesure o\u00f9 de telles plantes (peut-\u00eatre issues d\u2019une for\u00eat bor\u00e9ale) ne pourraient pousser au Groenland que si la calotte glaciaire de l\u2019\u00eele avait pratiquement disparu. L\u2019\u00e9tape suivante consistait donc \u00e0 les dater.<\/p>\n<p>Pour ce faire, les chercheurs se sont pench\u00e9s sur les isotopes (variantes du m\u00eame \u00e9l\u00e9ment avec un nombre diff\u00e9rent de neutrons) d\u2019aluminium et de b\u00e9ryllium. Ces derniers s\u2019accumulent dans les min\u00e9raux lorsqu\u2019ils sont expos\u00e9s \u00e0 un rayonnement qui filtre \u00e0 travers l\u2019atmosph\u00e8re. Ces isotopes peuvent alors indiquer aux scientifiques combien de temps les min\u00e9raux ont \u00e9t\u00e9 expos\u00e9s \u00e0 la surface et combien de temps ils ont \u00e9t\u00e9 enfouis sous terre.<\/p>\n<p>Sur la base de ces rapports isotopiques, les auteurs ont d\u00e9termin\u00e9 que le sol et les plantes qui y poussaient ont vu la lumi\u00e8re du soleil pour la derni\u00e8re fois il y entre quelques centaines de milliers et environ un million d\u2019ann\u00e9es.<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<figure id=\"attachment_22176\" aria-describedby=\"caption-attachment-22176\" style=\"width: 872px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"22176\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/decouverte-de-plantes-qui-ont-pousse-sous-le-groenland-il-y-a-moins-de-1-million-dannees\/plantes-groenland\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/plantes-groenland.jpg?fit=872%2C655&amp;ssl=1\" data-orig-size=\"872,655\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"plantes-groenland\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Quelques-unes des brindilles et des mousses extraits de la carotte glaciaire \u00e9tudi\u00e9e par les chercheurs de l\u2019universit\u00e9 du Vermont (\u00c9tats-Unis). \u00a9 Universit\u00e9 du Vermont &lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/plantes-groenland.jpg?fit=300%2C225&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/plantes-groenland.jpg?fit=800%2C601&amp;ssl=1\" class=\"size-full wp-image-22176\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/plantes-groenland.jpg?resize=872%2C655&#038;ssl=1\" alt=\"\" width=\"872\" height=\"655\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/plantes-groenland.jpg?w=872&amp;ssl=1 872w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/plantes-groenland.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/plantes-groenland.jpg?resize=800%2C601&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/plantes-groenland.jpg?resize=80%2C60&amp;ssl=1 80w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/plantes-groenland.jpg?resize=768%2C577&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/plantes-groenland.jpg?resize=174%2C131&amp;ssl=1 174w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/plantes-groenland.jpg?resize=70%2C53&amp;ssl=1 70w\" sizes=\"auto, (max-width: 872px) 100vw, 872px\" \/><figcaption id=\"caption-attachment-22176\" class=\"wp-caption-text\">Quelques-unes des brindilles et des mousses extraits de la carotte glaciaire \u00e9tudi\u00e9e par les chercheurs de l\u2019universit\u00e9 du Vermont (\u00c9tats-Unis). \u00a9 Universit\u00e9 du Vermont<\/figcaption><\/figure>\n<p>Des techniques de luminescence permettent, quant \u00e0 elles, d&rsquo;estimer le temps \u00e9coul\u00e9 depuis que des s\u00e9diments ont \u00e9t\u00e9 expos\u00e9s \u00e0 la lumi\u00e8re pour la derni\u00e8re fois. La datation au radiocarbone et d&rsquo;autres techniques encore ont permis de venir compl\u00e9ter le tableau. Et d&rsquo;apporter la preuve &#8212; directe alors que le pass\u00e9 du Groenland \u00e9tait jusqu&rsquo;alors plut\u00f4t connu par des indices indirects, recueillis au large &#8212; qu&rsquo;\u00e0 la place du paysage glac\u00e9 que nous connaissons aujourd&rsquo;hui, s&rsquo;est dress\u00e9 l\u00e0 un paysage v\u00e9g\u00e9talis\u00e9. Pourquoi pas une v\u00e9ritable for\u00eat bor\u00e9ale\u2009? Dans un pass\u00e9 relativement r\u00e9cent. G\u00e9ologiquement parlant en tout cas.<\/p>\n<p>L&rsquo;\u00e9tude de cette carotte pr\u00e9lev\u00e9e \u00e0 quelque 120 kilom\u00e8tres \u00e0 l&rsquo;int\u00e9rieur des terres &#8212; et \u00e0 moins de 1.300 kilom\u00e8tres du p\u00f4le nord &#8212; montre ainsi aujourd&rsquo;hui que la majeure partie du Groenland &#8212; si ce n&rsquo;est la totalit\u00e9 &#8212; a connu au moins deux p\u00e9riodes libres de glace au cours du dernier million d&rsquo;ann\u00e9es. Peut-\u00eatre m\u00eame des quelques derni\u00e8res centaines de milliers d&rsquo;ann\u00e9es. Dans un climat \u00e0 peine plus chaud que celui d&rsquo;aujourd&rsquo;hui.<\/p>\n<p>Sources : <a href=\"https:\/\/www.leparisien.fr\/sciences\/fonte-des-glaces-50-ans-apres-un-echantillon-oublie-revele-lhistoire-alarmante-du-groenland-15-03-2021-46OXAUK4W5G4XCBETLSAN6NYZA.php\" target=\"_blank\" rel=\"noopener\">https:\/\/www.leparisien.fr\/<\/a> \/ <a href=\"https:\/\/sciencepost.fr\/groenland-glace-plantes\/\" target=\"_blank\" rel=\"noopener\">https:\/\/sciencepost.fr\/<\/a> \/ <a href=\"https:\/\/www.futura-sciences.com\/planete\/actualites\/rechauffement-climatique-stupefaction-chez-scientifiques-decouverte-plantes-sous-glace-groenland-86291\" target=\"_blank\" rel=\"noopener\">https:\/\/www.futura-sciences.com\/<\/a> \/ <a href=\"https:\/\/www.pnas.org\/content\/118\/13\/e2021442118\" target=\"_blank\" rel=\"noopener\">https:\/\/www.pnas.org\/<\/a> \/<\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"22175\">(629)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Une carotte pr\u00e9lev\u00e9e au Groenland pendant la guerre froide dans le cadre d\u2019une mission militaire secr\u00e8te vient de nous r\u00e9v\u00e9ler&#8230;<\/p>\n","protected":false},"author":1,"featured_media":22177,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_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":"","jetpack_publicize_message":"D\u00e9couverte de #plantes qui ont pouss\u00e9 sous le #Groenland, il y a moins de 1 million d'ann\u00e9es @laterredufutur.com Terra Projects","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[20],"tags":[267,159,7591,966],"class_list":["post-22175","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-climat","tag-glace","tag-groenland","tag-toundra","tag-vegetation","wpcat-20-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/groenland-plantes.jpg?fit=932%2C582&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-5LF","jetpack-related-posts":[{"id":24602,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-foret-prehistorique-au-nord-du-groenland\/","url_meta":{"origin":22175,"position":0},"title":"Une for\u00eat pr\u00e9historique au nord du Groenland !","author":"Admin","date":"18 d\u00e9cembre 2022","format":false,"excerpt":"Au nord du Groenland, une for\u00eat pr\u00e9historique abritait des mastodontes, des rennes, des li\u00e8vres et une v\u00e9g\u00e9tation abondante. D\u00e8s 2006, Eske Willerslev et les membres de son laboratoire se sont aventur\u00e9s dans le nord du Groenland avec une foreuse pour extraire des carottes de s\u00e9diments de la formation Kap K\u00f8benhavn.\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/foret-suede.jpg?fit=960%2C638&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/foret-suede.jpg?fit=960%2C638&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/foret-suede.jpg?fit=960%2C638&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/foret-suede.jpg?fit=960%2C638&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":25125,"url":"https:\/\/www.laterredufutur.com\/accueil\/lhistoire-du-groenland-est-plus-verte-quon-ne-le-pensait\/","url_meta":{"origin":22175,"position":1},"title":"L&rsquo;histoire du Groenland est \u00ab\u00a0plus verte\u00a0\u00bb qu&rsquo;on ne le pensait","author":"Admin","date":"10 ao\u00fbt 2023","format":false,"excerpt":"Une nouvelle analyse d'\u00e9chantillons pr\u00e9lev\u00e9s sous la calotte glaciaire du Groenland r\u00e9v\u00e8le que l'\u00eele arctique \u00e9tait beaucoup plus verte il y a 416 000 ans. Ces r\u00e9sultats infirment les id\u00e9es re\u00e7ues selon lesquelles le glacier continental du Groenland, qui couvre environ 80 % de la masse terrestre de 836 000\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/12\/fonte-glace-groenland.jpg?fit=696%2C329&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/12\/fonte-glace-groenland.jpg?fit=696%2C329&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/12\/fonte-glace-groenland.jpg?fit=696%2C329&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":20736,"url":"https:\/\/www.laterredufutur.com\/accueil\/decouverte-de-vestiges-dune-foret-tropicale-vieille-de-90-millions-dannees-sous-la-glace-antarctique\/","url_meta":{"origin":22175,"position":2},"title":"D\u00e9couverte de vestiges d&rsquo;une for\u00eat tropicale vieille de 90 millions d&rsquo;ann\u00e9es sous la glace antarctique","author":"Admin","date":"1 mai 2020","format":false,"excerpt":"Des traces fossiles d'une ancienne for\u00eat tropicale ont \u00e9t\u00e9 d\u00e9couvertes en Antarctique occidental. Il y a environ 90 millions d'ann\u00e9es, l'Antarctique occidental abritait une for\u00eat pluviale temp\u00e9r\u00e9e florissante, selon les racines fossiles, le pollen et les spores r\u00e9cemment d\u00e9couverts l\u00e0-bas, selon une nouvelle \u00e9tude. Le monde \u00e9tait un endroit diff\u00e9rent\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/04\/foret-tropicale-antarctique.jpg?fit=1024%2C506&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/04\/foret-tropicale-antarctique.jpg?fit=1024%2C506&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/04\/foret-tropicale-antarctique.jpg?fit=1024%2C506&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/04\/foret-tropicale-antarctique.jpg?fit=1024%2C506&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":27613,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-immense-dome-de-glace-au-groenland-a-disparu-il-y-a-7-000-ans-fondant-a-des-temperatures-vers-lesquelles-nous-nous-dirigeons-aujourdhui\/","url_meta":{"origin":22175,"position":3},"title":"Un immense d\u00f4me de glace au Groenland a disparu il y a 7 000 ans, fondant \u00e0 des temp\u00e9ratures vers lesquelles nous nous dirigeons aujourd&rsquo;hui","author":"Admin","date":"8 janvier 2026","format":false,"excerpt":"Des scientifiques ont for\u00e9 jusqu'au fond du Prudhoe Dome, un d\u00f4me situ\u00e9 au Groenland et profond de 487 m\u00e8tres, et ont d\u00e9couvert qu'il avait disparu au d\u00e9but de l'Holoc\u00e8ne, lorsque les temp\u00e9ratures \u00e9taient proches de celles que nous pr\u00e9voyons d'atteindre d'ici la fin du si\u00e8cle. Une partie de la calotte\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/fonte-groenlandaise.jpg?fit=819%2C613&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/fonte-groenlandaise.jpg?fit=819%2C613&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/fonte-groenlandaise.jpg?fit=819%2C613&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/fonte-groenlandaise.jpg?fit=819%2C613&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":16615,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-montee-et-la-chute-de-lempire-romain-est-reecrite-par-la-glace-cachee-sous-le-groenland\/","url_meta":{"origin":22175,"position":4},"title":"La mont\u00e9e et la chute de l&rsquo;Empire romain est r\u00e9\u00e9crite par la glace cach\u00e9e sous le Groenland","author":"Admin","date":"3 juin 2018","format":false,"excerpt":"L'immensit\u00e9 glaciale du Groenland aurait pu \u00e9chapper \u00e0 l'emprise de l'Empire romain, mais cela ne veut pas dire que les terres glac\u00e9es du Nord ne sentirent jamais les fortunes imp\u00e9riales. Une nouvelle \u00e9tude a fourni un aper\u00e7u \u00e9tonnant, sans pr\u00e9c\u00e9dent dans l'\u00e9volution de la civilisation romaine et grecque ancienne en\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/05\/colysee-rome.jpg?fit=1040%2C585&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/05\/colysee-rome.jpg?fit=1040%2C585&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/05\/colysee-rome.jpg?fit=1040%2C585&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/05\/colysee-rome.jpg?fit=1040%2C585&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":24839,"url":"https:\/\/www.laterredufutur.com\/accueil\/quand-notre-monde-fut-une-planete-boule-de-neige-ou-presque\/","url_meta":{"origin":22175,"position":5},"title":"Quand notre monde fut une plan\u00e8te boule de neige ou presque&#8230;","author":"Admin","date":"5 avril 2023","format":false,"excerpt":"Bien avant que la vie complexe ne sorte des oc\u00e9ans pour s'installer sur la terre ferme, la Terre a connu une p\u00e9riode glaciaire sans pr\u00e9c\u00e9dent. \u00c0 deux reprises, des doigts de glace se sont \u00e9tendus loin des p\u00f4les, transformant la plan\u00e8te en une terre gel\u00e9e. L'\u00e9tendue des glaciers fait l'objet\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/04\/terre-boule-de-neige-1.jpg?fit=1000%2C749&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/04\/terre-boule-de-neige-1.jpg?fit=1000%2C749&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/04\/terre-boule-de-neige-1.jpg?fit=1000%2C749&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/04\/terre-boule-de-neige-1.jpg?fit=1000%2C749&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/22175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=22175"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/22175\/revisions"}],"predecessor-version":[{"id":22178,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/22175\/revisions\/22178"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/22177"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=22175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=22175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=22175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}