{"id":9471,"date":"2015-03-05T23:30:23","date_gmt":"2015-03-05T22:30:23","guid":{"rendered":"https:\/\/lyonelkaufmann.ch\/histoire\/?p=9471"},"modified":"2015-03-05T23:30:41","modified_gmt":"2015-03-05T22:30:41","slug":"deux-decouvertes-revolutionnent-lhistoire-de-nos-origines-page-1-mediapart","status":"publish","type":"post","link":"https:\/\/lyonelkaufmann.ch\/histoire\/2015\/03\/05\/deux-decouvertes-revolutionnent-lhistoire-de-nos-origines-page-1-mediapart\/","title":{"rendered":"Deux d\u00e9couvertes r\u00e9volutionnent l&rsquo;histoire de nos origines | Mediapart"},"content":{"rendered":"<p><strong>Deux d\u00e9couvertes presque simultan\u00e9es montrent que l&rsquo;\u00e9mergence du genre\u00a0<em>Homo<\/em> remonte \u00e0 pr\u00e8s de 3 millions d&rsquo;ann\u00e9es, plus de 400\u00a0000 ans avant la date admise jusqu&rsquo;ici. Si le puzzle de nos origines se compl\u00e8te, le sc\u00e9nario exact de l&rsquo;apparition des premiers humains reste \u00e9nigmatique.<\/strong><\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" style=\"display: block; margin-left: auto; margin-right: auto;\" title=\"NewImage.png\" src=\"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2015\/03\/NewImage.png?resize=500%2C375\" alt=\"NewImage\" width=\"500\" height=\"375\" border=\"0\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #6a6c6c; font-family: Arial, Verdana, serif; font-size: 10px; line-height: 19.25px;\">Ce fragment de m\u00e2choire inf\u00e9rieure, trouv\u00e9 en Ethiopie, est le plus ancien fossile du genre humain\u00a0<\/span><span class=\"copyright\" style=\"color: #6a6c6c; font-family: Arial, Verdana, serif; font-size: 10px; line-height: 19.25px;\">\u00a9 Kaye Reed<\/span><\/p>\n<blockquote><p>\n<em>Une double d\u00e9couverte r\u00e9volutionne l\u2019histoire de nos origines\u00a0: une m\u00e2choire retrouv\u00e9e en \u00c9thiopie fait remonter l\u2019\u00e9mergence du genre humain \u00e0 2,8 millions d\u2019ann\u00e9es au moins, soit 400\u00a0000 \u00e0 500\u00a0000 ans plus t\u00f4t que ce que l\u2019on croyait\u00a0; cette anciennet\u00e9 est confirm\u00e9e par la reconstruction num\u00e9rique d\u2019un fossile d\u2019Homo habilis, qui montre qu\u2019il y avait plusieurs esp\u00e8ces humaines il y a deux millions d\u2019ann\u00e9es, dont l\u2019anc\u00eatre commun est ant\u00e9rieur \u00e0 2,3 millions d\u2019ann\u00e9es, la date retenue jusqu\u2019ici pour les premiers repr\u00e9sentants du genre Homo.<\/em><\/p>\n<p><em>Ce fragment de m\u00e2choire inf\u00e9rieure, trouv\u00e9 en Ethiopie, est le plus ancien fossile du genre humain \u00a9 Kaye Reed La m\u00e2choire remonte \u00e0 une date proche de celle de l\u2019extinction de l\u2019australopith\u00e8que de l\u2019Afar, l\u2019esp\u00e8ce \u00e0 laquelle appartenait la c\u00e9l\u00e8bre Lucy. Elle appara\u00eet comme une sorte de cha\u00eenon manquant entre les australopith\u00e8ques et le genre humain.<\/em>\n<\/p><\/blockquote>\n<p>L\u2019article conclut\u00a0<\/p>\n<blockquote><p>\n<em>\u00ab\u00a0Le passage de l\u2019australopith\u00e8que \u00e0 l\u2019homme, grosso modo, marque une transition d\u2019un mode de vie plus proche de celui des singes arboricoles \u00e0 une existence plus d\u00e9pendante de la viande, des outils et d\u2019un grand cerveau\u00a0\u00bb,\u00a0r\u00e9sume Brian Villmoare. Il souligne aussi que l\u2019\u00e9tude \u00e9cologique de la zone de Ledi-Geraru fait appara\u00eetre, \u00e0 l\u2019\u00e9poque o\u00f9 a \u00e9t\u00e9 retrouv\u00e9e la m\u00e2choire, un changement climatique au nord de l\u2019\u00c9thiopie, qui a fait appara\u00eetre des animaux adapt\u00e9s \u00e0 des espaces ouverts, donc probablement a r\u00e9duit l\u2019espace couvert par la for\u00eat. \u00ab\u00a0L\u2019apparition du genre\u00a0Homo\u00a0pourrait \u00eatre li\u00e9 \u00e0 ce changement de climat\u00a0\u00bb, observe-t-il.<\/em><\/p>\n<p><em>Le passage \u00e0 une alimentation carn\u00e9e a-t-il aid\u00e9 nos anc\u00eatres \u00e0 s\u2019affranchir de la vie arboricole\u00a0? C\u2019est possible, mais l\u2019histoire est sans doute plus complexe.<\/em>\n<\/p><\/blockquote>\n<p>Lire l\u2019article :\u00a0<a href=\"http:\/\/www.mediapart.fr\/journal\/international\/050315\/deux-decouvertes-revolutionnent-lhistoire-de-nos-origines?page_article=1\">Deux d\u00e9couvertes r\u00e9volutionnent l&rsquo;histoire de nos origines &#8211; Page 1 | Mediapart<\/a>:<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Deux d\u00e9couvertes presque simultan\u00e9es montrent que l&rsquo;\u00e9mergence du genre\u00a0Homo remonte \u00e0 pr\u00e8s de 3 millions d&rsquo;ann\u00e9es, plus de 400\u00a0000 ans avant la date admise jusqu&rsquo;ici. Si le puzzle de nos origines se compl\u00e8te, le sc\u00e9nario exact de l&rsquo;apparition des premiers humains reste \u00e9nigmatique. Ce fragment de m\u00e2choire inf\u00e9rieure, trouv\u00e9 en Ethiopie, est le plus ancien [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9470,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","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":"","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":[5,11],"tags":[],"class_list":{"0":"post-9471","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-histoire-savante","8":"category-nouvelles-de-lhistoire","9":"entry"},"jetpack_publicize_connections":[],"featured_image_src":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2015\/03\/NewImage.png?resize=500%2C375&ssl=1","featured_image_src_square":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2015\/03\/NewImage.png?resize=500%2C375&ssl=1","author_info":{"display_name":"Lyonel Kaufmann","author_link":"https:\/\/lyonelkaufmann.ch\/histoire\/author\/lyonelk\/"},"jetpack_featured_media_url":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2015\/03\/NewImage.png?fit=500%2C375&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p1rJVM-2sL","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":8089,"url":"https:\/\/lyonelkaufmann.ch\/histoire\/2014\/07\/06\/neandertal-il-nest-pas-lhomme-que-vous-croyez-mediapart\/","url_meta":{"origin":9471,"position":0},"title":"N\u00e9andertal: il n&#039;est pas l&#039;homme que vous croyez &#124; Mediapart","author":"Lyonel Kaufmann","date":"6 juillet 2014","format":false,"excerpt":"Il y a 430 000 ans, un groupe d\u2019humains primitifs a v\u00e9cu au nord de l\u2019Espagne, dans la sierra de Atapuerca, une formation de roches calcaires et argileuses, creus\u00e9e de galeries et de grottes souterraines. Vingt-huit individus ont \u00e9t\u00e9 ensevelis dans une cavit\u00e9 au fond d\u2019un puits de 14 m\u00e8tres\u2026","rel":"","context":"Dans &quot;Nouvelles de l'histoire&quot;","block_context":{"text":"Nouvelles de l'histoire","link":"https:\/\/lyonelkaufmann.ch\/histoire\/category\/nouvelles-de-lhistoire\/"},"img":{"alt_text":"wpid-Pitofbones3.jpg-2014-07-6-15-56.png","src":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2014\/07\/wpid-Pitofbones3.jpg-2014-07-6-15-56.png?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2014\/07\/wpid-Pitofbones3.jpg-2014-07-6-15-56.png?resize=350%2C200 1x, https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2014\/07\/wpid-Pitofbones3.jpg-2014-07-6-15-56.png?resize=525%2C300 1.5x"},"classes":[]},{"id":19899,"url":"https:\/\/lyonelkaufmann.ch\/histoire\/2024\/03\/05\/decouverte-des-traces-de-neandertal-dans-les-genes-des-indiens\/","url_meta":{"origin":9471,"position":1},"title":"D\u00e9couverte. Des traces de Neandertal dans les g\u00e8nes des Indiens","author":"Lyonel Kaufmann","date":"5 mars 2024","format":false,"excerpt":"Le Courrier international rapporte une \u00e9tude g\u00e9n\u00e9tique r\u00e9v\u00e9lant la pr\u00e9sence de g\u00e8nes n\u00e9andertaliens et d\u00e9nisoviens chez les Indiens, une surprise \u00e9tant donn\u00e9 l'absence de fossiles de ces groupes en Inde. Cette \u00e9tude a \u00e9t\u00e9 men\u00e9e par la g\u00e9n\u00e9ticienne Priya Moorjani et ses coll\u00e8gues de l'universit\u00e9 de Californie, \u00e0 Berkeley. March\u00e9\u2026","rel":"","context":"Dans &quot;Histoire savante&quot;","block_context":{"text":"Histoire savante","link":"https:\/\/lyonelkaufmann.ch\/histoire\/category\/didactique\/histoire-savante\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2024\/03\/3933879097_1fc8b7e190_c.jpg?fit=800%2C600&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2024\/03\/3933879097_1fc8b7e190_c.jpg?fit=800%2C600&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2024\/03\/3933879097_1fc8b7e190_c.jpg?fit=800%2C600&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2024\/03\/3933879097_1fc8b7e190_c.jpg?fit=800%2C600&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":14942,"url":"https:\/\/lyonelkaufmann.ch\/histoire\/2018\/09\/21\/la-main-de-preles-une-decouverte-exceptionnelle\/","url_meta":{"origin":9471,"position":2},"title":"La main de Pr\u00eales, une d\u00e9couverte exceptionnelle","author":"Lyonel Kaufmann","date":"21 septembre 2018","format":false,"excerpt":"Deux personnes ont d\u00e9couvert, l\u2019automne dernier, une main en bronze datant de 3500 ans. Il s\u2019agit peut-\u00eatre de la plus ancienne sculpture en bronze retrouv\u00e9e en Europe. A l\u2019automne 2017, deux particuliers ont apport\u00e9 au Service arch\u00e9ologique du canton de Berne un objet exceptionnel: une main en bronze et or\u2026","rel":"","context":"Dans &quot;Nouvelles de l'histoire&quot;","block_context":{"text":"Nouvelles de l'histoire","link":"https:\/\/lyonelkaufmann.ch\/histoire\/category\/nouvelles-de-lhistoire\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2018\/09\/77F177A3-6840-495C-BBBB-9F18F4BD7D7B.jpeg?fit=636%2C477&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2018\/09\/77F177A3-6840-495C-BBBB-9F18F4BD7D7B.jpeg?fit=636%2C477&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2018\/09\/77F177A3-6840-495C-BBBB-9F18F4BD7D7B.jpeg?fit=636%2C477&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":16956,"url":"https:\/\/lyonelkaufmann.ch\/histoire\/2020\/01\/20\/une-historienne-decouvre-la-plus-ancienne-vue-de-venise-un-dessin-datant-du-xive-siecle\/","url_meta":{"origin":9471,"position":3},"title":"Une historienne d\u00e9couvre la plus ancienne vue de Venise, un dessin datant du XIVe si\u00e8cle","author":"Lyonel Kaufmann","date":"20 janvier 2020","format":false,"excerpt":"Une vue de Venise remontant au XIVe si\u00e8cle, dessin consid\u00e9r\u00e9 comme la plus ancienne repr\u00e9sentation de la Cit\u00e9 des Doges connue \u00e0 ce jour, a \u00e9t\u00e9 d\u00e9couverte par une chercheuse de l'universit\u00e9 \u00e9cossaise de St Andrews. Le dessin consid\u00e9r\u00e9 comme la plus ancienne vue de la ville de Venise. (AFP\u2026","rel":"","context":"Dans &quot;Nouvelles de l'histoire&quot;","block_context":{"text":"Nouvelles de l'histoire","link":"https:\/\/lyonelkaufmann.ch\/histoire\/category\/nouvelles-de-lhistoire\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2020\/01\/D3ABCFC4-513A-4B1A-AAD3-CF2C93353615.9f2c9d8a6dc746c290250ba09b9cab6c.jpeg?fit=1196%2C450&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2020\/01\/D3ABCFC4-513A-4B1A-AAD3-CF2C93353615.9f2c9d8a6dc746c290250ba09b9cab6c.jpeg?fit=1196%2C450&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2020\/01\/D3ABCFC4-513A-4B1A-AAD3-CF2C93353615.9f2c9d8a6dc746c290250ba09b9cab6c.jpeg?fit=1196%2C450&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2020\/01\/D3ABCFC4-513A-4B1A-AAD3-CF2C93353615.9f2c9d8a6dc746c290250ba09b9cab6c.jpeg?fit=1196%2C450&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2020\/01\/D3ABCFC4-513A-4B1A-AAD3-CF2C93353615.9f2c9d8a6dc746c290250ba09b9cab6c.jpeg?fit=1196%2C450&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":12118,"url":"https:\/\/lyonelkaufmann.ch\/histoire\/2016\/10\/11\/un-mooc-sur-les-origines-de-lhomme\/","url_meta":{"origin":9471,"position":4},"title":"Un MOOC sur les origines de l\u2019Homme","author":"Lyonel Kaufmann","date":"11 octobre 2016","format":false,"excerpt":"D\u00e9couvrez l\u2019histoire de notre esp\u00e8ce, de ses origines et de notre \u00e9volution. Le mus\u00e9e de l\u2019Homme propose un MOOC sur les origines de l\u2019Homme, en six s\u00e9quences.\u00a0 Il faut compter environ 2 heures par s\u00e9quences, les cours sont accessibles 24h\/24. Il n\u2019est pas n\u00e9cessaire de se rendre disponible \u00e0 un\u2026","rel":"","context":"Dans &quot;BP13\/22SHS Enseigner les sciences humaines et sociales aux cycles 1 et 2&quot;","block_context":{"text":"BP13\/22SHS Enseigner les sciences humaines et sociales aux cycles 1 et 2","link":"https:\/\/lyonelkaufmann.ch\/histoire\/category\/cours-et-seminaires\/bp13shn-enseigner-les-sciences-sociales-et-les-sciences-de-la-nature-aux-cycles-1-et-2\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2016\/10\/cgcC-.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2016\/10\/cgcC-.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2016\/10\/cgcC-.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2016\/10\/cgcC-.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2016\/10\/cgcC-.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":273,"url":"https:\/\/lyonelkaufmann.ch\/histoire\/2008\/01\/15\/clich-prhistorique-dans-le-courrier\/","url_meta":{"origin":9471,"position":5},"title":"Clich&#233; &#171;pr&#233;historique&#187; dans le &quot;Courrier&quot;","author":"Lyonel Kaufmann","date":"15 janvier 2008","format":false,"excerpt":"Ce dernier samedi (12 janvier 2008), le journal Le Courrier publiait en pages 2 et 3 un dossier sur les origines du travail et remontait au n\u00e9olithique pour en dater l'\u00e9mergence (L'Invention du travail appartient \u00e0 la pr\u00e9histoire). Tr\u00e8s bien et m\u00eame int\u00e9ressant puisqu'il s'agit d'articles que vous ne trouverez\u2026","rel":"","context":"Dans &quot;Nouvelles de l'histoire&quot;","block_context":{"text":"Nouvelles de l'histoire","link":"https:\/\/lyonelkaufmann.ch\/histoire\/category\/nouvelles-de-lhistoire\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/lyonelkaufmann.ch\/histoire\/wp-content\/uploads\/2015\/07\/2188829075_a26143c976.jpg?fit=500%2C303&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/lyonelkaufmann.ch\/histoire\/wp-json\/wp\/v2\/posts\/9471","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lyonelkaufmann.ch\/histoire\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lyonelkaufmann.ch\/histoire\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lyonelkaufmann.ch\/histoire\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lyonelkaufmann.ch\/histoire\/wp-json\/wp\/v2\/comments?post=9471"}],"version-history":[{"count":0,"href":"https:\/\/lyonelkaufmann.ch\/histoire\/wp-json\/wp\/v2\/posts\/9471\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lyonelkaufmann.ch\/histoire\/wp-json\/wp\/v2\/media\/9470"}],"wp:attachment":[{"href":"https:\/\/lyonelkaufmann.ch\/histoire\/wp-json\/wp\/v2\/media?parent=9471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lyonelkaufmann.ch\/histoire\/wp-json\/wp\/v2\/categories?post=9471"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lyonelkaufmann.ch\/histoire\/wp-json\/wp\/v2\/tags?post=9471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}