{"id":64856,"date":"2017-05-01T08:55:12","date_gmt":"2017-05-01T11:55:12","guid":{"rendered":"https:\/\/espacoecologico.com.br\/arquivo\/?p=64856"},"modified":"2017-05-01T08:55:14","modified_gmt":"2017-05-01T11:55:14","slug":"homem-chegou-a-america-muito-antes-do-que-o-imaginado-diz-estudo","status":"publish","type":"post","link":"https:\/\/espacoecologico.com.br\/arquivo\/homem-chegou-a-america-muito-antes-do-que-o-imaginado-diz-estudo\/","title":{"rendered":"Homem chegou \u00e0 Am\u00e9rica muito antes do que o imaginado, diz estudo"},"content":{"rendered":"<p><script src=\"http:\/\/b.scorecardresearch.com\/c2\/6906435\/cs.js\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"http:\/\/cdn.teads.tv\/media\/format\/v3\/teads-format.min.js?2017518\" async=\"\"><\/script><script src=\"\/\/cdn.teads.tv\/media\/format.js\" async=\"\"><\/script><script src=\"http:\/\/pagead2.googlesyndication.com\/pagead\/osd.js\"><\/script><script 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]]><\/script><script type=\"application\/ld+json\">\/\/ <![CDATA[\n{\"@context\":\"http:\/\/schema.org\",\"@type\":\"NewsArticle\",\"mainEntityOfPage\":{\"@type\":\"WebPage\",\"@id\":\"http:\/\/exame.abril.com.br\/ciencia\/homem-chegou-a-america-muito-antes-do-que-o-imaginado-diz-estudo\/\"},\"headline\":\"Homem chegou \u00e0 Am\u00e9rica muito antes do que o imaginado, diz estudo\",\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/abrilexame.files.wordpress.com\/2017\/04\/macacos.jpg?quality=70&#038;strip=info&#038;w=680\",\"height\":453,\"width\":680},\"datePublished\":\"2017-04-26T16:34:09-0300\",\"dateModified\":\"2017-04-26T16:34:09-0300\",\"author\":[{\"@type\":\"Person\",\"name\":\"AFP\"}],\"publisher\":{\"@type\":\"Organization\",\"name\":\"EXAME.com - Neg\u00f3cios, economia, tecnologia e carreira\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/abrilexame.files.wordpress.com\/2017\/02\/logo-exame.png?w=349\",\"width\":349,\"height\":60}},\"description\":\"Uma pesquisa encontrou o esqueleto de um ancestral do elefante e utens\u00edlios de pedra com marcas de interven\u00e7\u00e3o humana de cerca de 130.000 anos de idade\"}\n\/\/ ]]><\/script><script src=\"https:\/\/s0.wp.com\/_static\/??-eJyFjt0KwjAMhV\/IrkxlzAvxWboaZ2r\/bNINfXo72S7EoRBIOPk458gxCvTa5jOQNGXuGdJjXpWhjfwFCId9UgyVQ7\/AOngGzxPrQocWRCZIqi9aMbqEFS4GYgdEBVr5flZCPyCMfzEDHJW+iQSEzy9XvkLJkwNGqbqEVjhFDElGm3v0NIsLHVH58O45HcXr5I71\/rDb1m3bNOYFVmN4ng==\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/cdn.tinypass.com\/api\/tinypass-gtp.min.js?ver=4.7.4\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/underscore.js\/1.5.2\/underscore-min.js\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/cdn.boomtrain.com\/analyticstrain\/4e95f0debe3619d4e92b1b9828f17942\/analyticstrain.min.js\" type=\"text\/javascript\"><\/script><script src=\"\/\/www.npttech.com\/advertising.js\" async=\"true\"><\/script><script src=\"https:\/\/d3r7h55ola878c.cloudfront.net\/btn\/1.0.7\/nudgespot-loader.js\" type=\"text\/javascript\"><\/script><script src=\"http:\/\/rtax.criteo.com\/delivery\/rta\/rta.js?netId=4317&amp;cookieName=crtg_rta&amp;rnd=13146195071&amp;varName=crtg_content\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/x-abril.inventorycdn.com\/js?cookie=rh_abril\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/securepubads.g.doubleclick.net\/gpt\/pubads_impl_115.js\" async=\"\"><\/script><\/p>\n<div class=\"container main-container \">\n<div class=\"row\">\n<div class=\"col-md-8\">\n<article id=\"post-2435828\" class=\"article\">\n<section class=\"article-content\">\n<a href=\"https:\/\/espacoecologico.com.br\/arquivo\/homem-chegou-a-america-muito-antes-do-que-o-imaginado-diz-estudo\/ancestral-2\/\" rel=\"attachment wp-att-64857\"><img loading=\"lazy\" class=\"alignleft size-medium wp-image-64857\" src=\"https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral-300x192.jpg\" alt=\"\" width=\"300\" height=\"192\" srcset=\"https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral-300x192.jpg 300w, https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral.jpg 415w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>A presen\u00e7a humana no continente americano data de 130.000 anos atr\u00e1s, e n\u00e3o de 15.000, como se acreditava at\u00e9 agora, segundo um <strong><a href=\"http:\/\/exame.abril.com.br\/noticias-sobre\/pesquisas-cientificas\/\">estudo<\/a><\/strong> que deve revolucionar a Hist\u00f3ria das popula\u00e7\u00f5es no Novo Mundo.<\/p>\n<p>A explora\u00e7\u00e3o de um s\u00edtio arqueol\u00f3gico perto de San Diego (Calif\u00f3rnia) revelou que uma \u201cesp\u00e9cie de homin\u00eddeo viveu na Am\u00e9rica do Norte 115.000 anos antes do que pens\u00e1vamos\u201d, explica Judy Gradwohl, presidente do Museu de Hist\u00f3ria Natural de San Diego, \u00e0 frente deste estudo.<\/p>\n<p><script src=\"http:\/\/b.scorecardresearch.com\/c2\/6906435\/cs.js\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"http:\/\/cdn.teads.tv\/media\/format\/v3\/teads-format.min.js?2017518\" async=\"\"><\/script><script src=\"\/\/cdn.teads.tv\/media\/format.js\" async=\"\"><\/script><script src=\"http:\/\/pagead2.googlesyndication.com\/pagead\/osd.js\"><\/script><script 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]]><\/script><script type=\"application\/ld+json\">\/\/ <![CDATA[\n{\"@context\":\"http:\/\/schema.org\",\"@type\":\"NewsArticle\",\"mainEntityOfPage\":{\"@type\":\"WebPage\",\"@id\":\"http:\/\/exame.abril.com.br\/ciencia\/homem-chegou-a-america-muito-antes-do-que-o-imaginado-diz-estudo\/\"},\"headline\":\"Homem chegou \u00e0 Am\u00e9rica muito antes do que o imaginado, diz estudo\",\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/abrilexame.files.wordpress.com\/2017\/04\/macacos.jpg?quality=70&#038;strip=info&#038;w=680\",\"height\":453,\"width\":680},\"datePublished\":\"2017-04-26T16:34:09-0300\",\"dateModified\":\"2017-04-26T16:34:09-0300\",\"author\":[{\"@type\":\"Person\",\"name\":\"AFP\"}],\"publisher\":{\"@type\":\"Organization\",\"name\":\"EXAME.com - Neg\u00f3cios, economia, tecnologia e carreira\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/abrilexame.files.wordpress.com\/2017\/02\/logo-exame.png?w=349\",\"width\":349,\"height\":60}},\"description\":\"Uma pesquisa encontrou o esqueleto de um ancestral do elefante e utens\u00edlios de pedra com marcas de interven\u00e7\u00e3o humana de cerca de 130.000 anos de idade\"}\n\/\/ ]]><\/script><script src=\"https:\/\/s0.wp.com\/_static\/??-eJyFjt0KwjAMhV\/IrkxlzAvxWboaZ2r\/bNINfXo72S7EoRBIOPk458gxCvTa5jOQNGXuGdJjXpWhjfwFCId9UgyVQ7\/AOngGzxPrQocWRCZIqi9aMbqEFS4GYgdEBVr5flZCPyCMfzEDHJW+iQSEzy9XvkLJkwNGqbqEVjhFDElGm3v0NIsLHVH58O45HcXr5I71\/rDb1m3bNOYFVmN4ng==\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/cdn.tinypass.com\/api\/tinypass-gtp.min.js?ver=4.7.4\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/underscore.js\/1.5.2\/underscore-min.js\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/cdn.boomtrain.com\/analyticstrain\/4e95f0debe3619d4e92b1b9828f17942\/analyticstrain.min.js\" type=\"text\/javascript\"><\/script><script src=\"\/\/www.npttech.com\/advertising.js\" async=\"true\"><\/script><script src=\"https:\/\/d3r7h55ola878c.cloudfront.net\/btn\/1.0.7\/nudgespot-loader.js\" type=\"text\/javascript\"><\/script><script src=\"http:\/\/rtax.criteo.com\/delivery\/rta\/rta.js?netId=4317&amp;cookieName=crtg_rta&amp;rnd=13146195071&amp;varName=crtg_content\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/x-abril.inventorycdn.com\/js?cookie=rh_abril\" async=\"\" type=\"text\/javascript\"><\/script><script src=\"https:\/\/securepubads.g.doubleclick.net\/gpt\/pubads_impl_115.js\" async=\"\"><\/script><\/p>\n<div class=\"container main-container \">\n<div class=\"row\">\n<div class=\"col-md-8\">\n<article id=\"post-2435828\" class=\"article\">\n<section class=\"article-content\">A equipe encontrou o esqueleto de um mastodonte \u2013 ancestral do elefante \u2013 e utens\u00edlios de pedra com marcas de interven\u00e7\u00e3o humana de cerca de 130.000 anos de idade, derrubando todas as teorias cogitadas at\u00e9 agora.<\/p>\n<p>Embora a quest\u00e3o de quando, como e onde os primeiros homens chegaram \u00e0 Am\u00e9rica divida antrop\u00f3logos e arque\u00f3logos h\u00e1 anos, a hip\u00f3tese dominante \u00e9 que eles chegaram h\u00e1 cerca de 14.500 e vieram da \u00c1sia.<\/p>\n<p>Segundo esta teoria, os primeiros homo sapiens percorreram a p\u00e9 cerca de 1.500 km por um percurso ligando a Sib\u00e9ria e o Novo Mundo, hoje parcialmente afundado sob o Estreito de Bering.<\/p>\n<p>Outros cientistas defendem, no entanto, que a coloniza\u00e7\u00e3o se deu pelo Pac\u00edfico, a partir do Alasca, a p\u00e9 ou de barco.<\/p>\n<p>Mas o estudo divulgado nesta quarta-feira pela revista cient\u00edfica brit\u00e2nica Nature afirma que \u201cv\u00e1rios ossos e dentes\u201d de mastodonte \u201cmostram claramente que foram quebrados voluntariamente por seres humanos, demonstrando habilidade e experi\u00eancia\u201d para com\u00ea-los, explica Steve Holen, coautor do estudo, em um comunicado do Museu de Hist\u00f3ria Natural.<\/p>\n<h3>Quem eram e como chegaram<\/h3>\n<p>Os pesquisadores aplicaram o m\u00e9todo de data\u00e7\u00e3o de ur\u00e2nio-t\u00f3rio para analisar os vest\u00edgios arqueol\u00f3gicos encontrados no s\u00edtio Cerutti Mastodon, descoberto em 1992 durante a constru\u00e7\u00e3o de uma via f\u00e9rrea.<\/p>\n<p>Mas o fato de que n\u00e3o foram encontrados restos humanos no s\u00edtio arqueol\u00f3gico impossibilita determinar com certeza de que esp\u00e9cie de homin\u00eddeo se trata.<\/p>\n<p>Quem seriam e como chegaram? De acordo com especialistas, n\u00e3o pode se tratar de homos sapiens \u2013 o homem moderno -, pois acredita-se que este deixou a \u00c1frica pela primeira vez h\u00e1 entre 80.000 e 100.000 anos.<\/p>\n<p>Em vez disso, poderia se tratar de um de seus primos: o homo erectus, cujos primeiros restos descobertos datam de quase dois milh\u00f5es de anos atr\u00e1s; o neandertal, que conviveu com os humanos modernos na Europa antes de se extinguir h\u00e1 cerca de 40.000 anos; ou o enigm\u00e1tico denisovan, cujo DNA ainda sobrevive em abor\u00edgenes australianos.<\/p>\n<p>Em uma an\u00e1lise de acompanhamento, os pesquisadores argumentaram que, apesar do aumento do n\u00edvel do mar h\u00e1 cerca de 130.000 anos, devido a um per\u00edodo de aquecimento interglacial, o homem pode ter sido capaz de viajar grandes dist\u00e2ncias at\u00e9 a Am\u00e9rica.<\/p>\n<p>Este achado pode estar relacionado com estudos recentes que revelaram uma liga\u00e7\u00e3o gen\u00e9tica entre as popula\u00e7\u00f5es atuais nativas da Amaz\u00f4nia e alguns povos asi\u00e1ticos e australianos.<\/p>\n<p>\u201cAs popula\u00e7\u00f5es fundadoras dos americanos podem ter sido muito diversas\u201d, estima em um coment\u00e1rio sobre o estudo Erella Paira, da Universidade Hebraica de Jerusal\u00e9m.<\/p>\n<p>O representante mais antigo da ra\u00e7a humana conhecido at\u00e9 agora tem sete milh\u00f5es anos, chama-se Toumai e foi descoberto em 2001 no Chade.<\/p>\n<p>Estima-se que os primeiros membros do g\u00eanero Homo que deixaram a \u00c1frica o fizeram h\u00e1 mais de dois milh\u00f5es de anos.<\/p>\n<\/section>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/article>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A presen\u00e7a humana no continente americano data de 130.000 anos atr\u00e1s, e n\u00e3o de 15.000,<\/p>\n","protected":false},"author":6,"featured_media":64857,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"uagb_featured_image_src":{"full":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral.jpg",415,265,false],"thumbnail":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral-150x150.jpg",150,150,true],"medium":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral-300x192.jpg",300,192,true],"medium_large":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral.jpg",415,265,false],"large":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral.jpg",415,265,false],"1536x1536":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral.jpg",415,265,false],"2048x2048":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral.jpg",415,265,false],"cream-magazine-thumbnail-2":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral.jpg",415,265,false],"cream-magazine-thumbnail-3":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral.jpg",415,265,false],"cream-magazine-thumbnail-4":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2017\/05\/ancestral.jpg",415,265,false]},"uagb_author_info":{"display_name":"","author_link":"https:\/\/espacoecologico.com.br\/arquivo\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"A presen\u00e7a humana no continente americano data de 130.000 anos atr\u00e1s, e n\u00e3o de 15.000,","_links":{"self":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/posts\/64856"}],"collection":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/comments?post=64856"}],"version-history":[{"count":0,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/posts\/64856\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/media\/64857"}],"wp:attachment":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/media?parent=64856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/categories?post=64856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/tags?post=64856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}