{"id":2661,"date":"2024-06-04T02:45:26","date_gmt":"2024-06-04T05:45:26","guid":{"rendered":"https:\/\/www.ufrgs.br\/frontdaciencia\/?p=2661"},"modified":"2024-06-06T00:35:13","modified_gmt":"2024-06-06T03:35:13","slug":"t15e04-extincoes-em-massa","status":"publish","type":"post","link":"https:\/\/www.ufrgs.br\/frontdaciencia\/2024\/06\/04\/t15e04-extincoes-em-massa\/","title":{"rendered":"T15E04 &#8211; Extin\u00e7\u00f5es em Massa"},"content":{"rendered":"\n<p>&#8220;Evolu\u00e7\u00e3o e Extin\u00e7\u00e3o s\u00e3o duas faces de uma mesma moeda\u201d &#8211; dessa forma simples, por\u00e9m precisa, o paleont\u00f3logo C\u00e9sar Schultz, nosso colega professor do Departamento de Paleontologia e Estratigrafia do Instituto de Geoci\u00eancias, explica o papel das extin\u00e7\u00f5es na hist\u00f3ria da vida na Terra. Contra este pano de fundo de cont\u00ednuas extin\u00e7\u00f5es, por\u00e9m, alguns eventos se destacam por suas dimens\u00f5es, as chamadas <em>Extin\u00e7\u00f5es em Massa, <\/em>quando uma enorme quantidade de esp\u00e9cies desaparece subitamente do registro geol\u00f3gico. Dentre as m\u00faltiplas causas poss\u00edveis, as extraterrestres &#8211; como o impacto de aster\u00f3ides &#8211; s\u00e3o sempre as favoritas, as mais charmosas. Mas adivinhem quem, de fato, \u00e9 quase sempre o principal culpado?  Para saber, escute a entrevista da qual participam Jeferson Arenzon, do Departamento de F\u00edsica (IF), e Jorge Quillfeldt, do Departamento de Biof\u00edsica (IB), todos da UFRGS.<br><br>Produ\u00e7\u00e3o e edi\u00e7\u00e3o: Jorge Quillfeldt<br>Imagem:  Extin\u00e7\u00e3o em Massa do fim do Permiano, Victor Leshyk (Scientific American, 2022)<br>Fonte: <a href=\"https:\/\/www.scientificamerican.com\/article\/toxic-slime-contributed-to-earth-rsquo-s-worst-mass-extinction-mdash-and-it-rsquo-s-making-a-comeback\/\">https:\/\/www.scientificamerican.com\/article\/toxic-slime-contributed-to-earth-rsquo-s-worst-mass-extinction-mdash-and-it-rsquo-s-making-a-comeback\/<\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-content\/uploads\/2024\/06\/Licenca-FdaC_CC_BY-NC-ND_pq.jpeg\" alt=\"\" class=\"wp-image-2672\" width=\"143\" height=\"98\" srcset=\"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-content\/uploads\/2024\/06\/Licenca-FdaC_CC_BY-NC-ND_pq.jpeg 858w, https:\/\/www.ufrgs.br\/frontdaciencia\/wp-content\/uploads\/2024\/06\/Licenca-FdaC_CC_BY-NC-ND_pq-300x208.jpeg 300w, https:\/\/www.ufrgs.br\/frontdaciencia\/wp-content\/uploads\/2024\/06\/Licenca-FdaC_CC_BY-NC-ND_pq-768x532.jpeg 768w\" sizes=\"(max-width: 143px) 100vw, 143px\" \/><\/figure><\/div>\n<div class=\"powerpress_player\" id=\"powerpress_player_7924\"><!--[if lt IE 9]><script>document.createElement('audio');<\/script><![endif]-->\n<audio class=\"wp-audio-shortcode\" id=\"audio-2661-1\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"http:\/\/multimidia.ufrgs.br\/conteudo\/frontdaciencia\/Fronteiras_da_Ciencia-T15E04-04.06.2024.mp3?_=1\" \/><a href=\"http:\/\/multimidia.ufrgs.br\/conteudo\/frontdaciencia\/Fronteiras_da_Ciencia-T15E04-04.06.2024.mp3\">http:\/\/multimidia.ufrgs.br\/conteudo\/frontdaciencia\/Fronteiras_da_Ciencia-T15E04-04.06.2024.mp3<\/a><\/audio><\/div><p class=\"powerpress_links powerpress_links_mp3\" style=\"margin-bottom: 1px !important;\">Podcast: <a href=\"http:\/\/multimidia.ufrgs.br\/conteudo\/frontdaciencia\/Fronteiras_da_Ciencia-T15E04-04.06.2024.mp3\" class=\"powerpress_link_pinw\" target=\"_blank\" title=\"Play in new window\" onclick=\"return powerpress_pinw('https:\/\/www.ufrgs.br\/frontdaciencia\/?powerpress_pinw=2661-podcast');\" rel=\"nofollow\">Play in new window<\/a> | <a href=\"http:\/\/multimidia.ufrgs.br\/conteudo\/frontdaciencia\/Fronteiras_da_Ciencia-T15E04-04.06.2024.mp3\" class=\"powerpress_link_d\" title=\"Download\" rel=\"nofollow\" download=\"Fronteiras_da_Ciencia-T15E04-04.06.2024.mp3\">Download<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>&#8220;Evolu\u00e7\u00e3o e Extin\u00e7\u00e3o s\u00e3o duas faces de uma mesma moeda\u201d &#8211; dessa forma simples, por\u00e9m precisa, o paleont\u00f3logo C\u00e9sar Schultz, nosso colega professor do Departamento de Paleontologia e Estratigrafia do [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":2663,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[600,255],"tags":[37,731,184,727,728,730,36,732,256,729],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-json\/wp\/v2\/posts\/2661"}],"collection":[{"href":"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-json\/wp\/v2\/comments?post=2661"}],"version-history":[{"count":6,"href":"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-json\/wp\/v2\/posts\/2661\/revisions"}],"predecessor-version":[{"id":2673,"href":"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-json\/wp\/v2\/posts\/2661\/revisions\/2673"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-json\/wp\/v2\/media\/2663"}],"wp:attachment":[{"href":"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-json\/wp\/v2\/media?parent=2661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-json\/wp\/v2\/categories?post=2661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ufrgs.br\/frontdaciencia\/wp-json\/wp\/v2\/tags?post=2661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}