{"id":70634,"date":"2025-08-19T12:00:00","date_gmt":"2025-08-19T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/les-cousins-inattendus-des-grandes-decouvertes"},"modified":"2025-08-20T00:32:56","modified_gmt":"2025-08-20T00:32:56","slug":"les-cousins-inattendus-des-grandes-decouvertes","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/les-cousins-inattendus-des-grandes-decouvertes","title":{"rendered":"Les Cousins Inattendus des Grandes D\u00e9couvertes"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>En 2003, la de\u0301couverte de Flora, une cousine lilliputienne du genre Homo, sur l\u2019i\u0302le indone\u0301sienne de Flores, provoque un choc similaire a\u0300 celui qui secoua en 1856 les socie\u0301te\u0301s savantes et le public apre\u0300s la trouvaille de l\u2019homme de Neandertal, en Allemagne. Avec son cra\u0302ne oblong, sa barre au front, sa silhouette trapue, celui-ci est d\u2019abord de\u0301crit comme un cosaque de\u0301ge\u0301ne\u0301re\u0301, et non une nouvelle espe\u0300ce.<\/p>\n<p>Flora, avec sa te\u0302te a\u0300 peine plus grosse qu\u2019un pamplemousse, sa taille d\u2019un me\u0300tre environ, ses longs bras qui e\u0301voquent ceux d\u2019un australopithe\u0300que, suscite un me\u0302me rejet: des scientifiques y voient un Homo sapiens cre\u0301tin nain (au sens me\u0301dical du terme) ou un trisomique.<\/p>\n<p>La controverse dure dix ans, avant que la majorite\u0301 des chercheurs n\u2019admette qu\u2019il s\u2019agit bien d\u2019une nouvelle espe\u0300ce, Homo floresiensis, ayant ve\u0301cu il y a 100.000 a\u0300 60.000 ans, descendant de l\u2019Homo erectus africain et ayant subi un nanisme insulaire, comme d\u2019autres mammife\u0300res, tels les ste\u0301godons (des ance\u0302tres e\u0301le\u0301phants), sur d\u2019autres i\u0302les.<\/p>\n<p><b>Encore plusieurs surprises<\/b><\/p>\n<p>En 2010, autre de\u0301flagration: une nouvelle espe\u0300ce, Denisova, surgit, baptise\u0301e a\u0300 partir de l\u2019ADN d\u2019une phalange de fillette, de\u0301couverte dans une grotte de Sibe\u0301rie du me\u0302me nom. Entretemps, la pale\u0301oge\u0301nomique a comple\u0300tement rebattu les cartes de la discipline en disse\u0301quant les ge\u0301nomes des espe\u0300ces H. sapiens et H. neanderthalensis, montrant qu\u2019il y avait eu me\u0301lange entre les deux premiers, et cette fois que l\u2019ADN de Denisova e\u0301tait encore totalement diffe\u0301rent. Les fouilles montreront que l\u2019espe\u0300ce de\u0301nisovienne a ve\u0301cu il y a entre 400.000 ans et 30.000 ans environ, s\u2019est attaque\u0301e aux contreforts de l\u2019Himalaya et a le\u0301gue\u0301 largement ses ge\u0300nes aux Tibe\u0301tains, mais e\u0301galement aux Chinois et aux habitants de Papouasie-Nouvelle-Guine\u0301e.<\/p>\n<p>En 2013, surprise: le continent africain recelait aussi des cousins inattendus, toujours contemporains d\u2019Homo sapiens, me\u0302me si on ignore encore s\u2019il les a croise\u0301s: les minuscules Homo naledi, ayant ve\u0301cu de -335.000 a\u0300 -236.000 ans. L\u2019accumulation de leurs corps dans une grotte sud-africaine soule\u0300ve la question de savoir s\u2019ils ont e\u0301te\u0301 engloutis par une catastrophe naturelle ou s\u2019ils ont e\u0301te\u0301 intentionnellement ensevelis.<\/p>\n<p>L\u2019anne\u0301e 2019 enrichit le cercle d\u2019un nouveau petit humain contemporain d\u2019H. sapiens: H. luzonensis, aux Philippines. Dents extraordinaires, phalange de pied courbe, vivant il y a 67.000 ans a\u0300 50.000 ans. Il a e\u0301te\u0301 de\u0301couvert par une e\u0301quipe\u0301e dirige\u0301e par le Franc\u0327ais Florent De\u0301troit, du muse\u0301e de l\u2019Homme a\u0300 Paris.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Senegal<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. En 2003, la de\u0301couverte de Flora, une cousine lilliputienne du genre Homo, sur l\u2019i\u0302le indone\u0301sienne de Flores, provoque un choc similaire a\u0300 celui qui secoua en 1856 les socie\u0301te\u0301s savantes et le public apre\u0300s la trouvaille de l\u2019homme de Neandertal, en Allemagne. Avec son cra\u0302ne oblong, sa barre au front, sa silhouette [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":70633,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-70634","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Les Cousins Inattendus des Grandes D\u00e9couvertes - Senegal<\/title>\n<meta name=\"description\" content=\"En 2003, la de\u0301couverte de Flora, une cousine lilliputienne du genre Homo, sur l\u2019i\u0302le indone\u0301sienne de Flores, provoque ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/les-cousins-inattendus-des-grandes-decouvertes\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les Cousins Inattendus des Grandes D\u00e9couvertes\" \/>\n<meta property=\"og:description\" content=\"En 2003, la de\u0301couverte de Flora, une cousine lilliputienne du genre Homo, sur l\u2019i\u0302le indone\u0301sienne de Flores, provoque ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/les-cousins-inattendus-des-grandes-decouvertes\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-19T12:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-20T00:32:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/08\/sm_1755678717.004965.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/les-cousins-inattendus-des-grandes-decouvertes#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/les-cousins-inattendus-des-grandes-decouvertes\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Les Cousins Inattendus des Grandes D\u00e9couvertes\",\"datePublished\":\"2025-08-19T12:00:00+00:00\",\"dateModified\":\"2025-08-20T00:32:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/les-cousins-inattendus-des-grandes-decouvertes\"},\"wordCount\":494,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/les-cousins-inattendus-des-grandes-decouvertes#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/08\/sm_1755678717.004965.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/les-cousins-inattendus-des-grandes-decouvertes#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/les-cousins-inattendus-des-grandes-decouvertes\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/les-cousins-inattendus-des-grandes-decouvertes\",\"name\":\"Les Cousins Inattendus des Grandes D\u00e9couvertes - 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