{"id":590,"date":"2023-03-26T00:05:00","date_gmt":"2023-03-26T03:05:00","guid":{"rendered":"https:\/\/elreportivo.cl\/olimpia\/?p=590"},"modified":"2023-03-24T18:19:21","modified_gmt":"2023-03-24T21:19:21","slug":"590","status":"publish","type":"post","link":"https:\/\/elreportivo.cl\/olimpia\/2023\/03\/26\/590\/","title":{"rendered":""},"content":{"rendered":"\n<div class=\"wp-block-cover alignfull\" style=\"padding-top:20px;padding-right:20px;padding-bottom:20px;padding-left:20px;min-height:635px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-80 has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-168\" alt=\"\" src=\"https:\/\/elreportivodeolimpia.cl\/wp-content\/uploads\/2022\/08\/sports-tools.jpg\" data-object-fit=\"cover\"\/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<div class=\"wp-block-media-text alignfull is-stacked-on-mobile is-vertically-aligned-center\"><figure class=\"wp-block-media-text__media\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/elreportivo.cl\/olimpia\/wp-content\/uploads\/2023\/03\/6-NOVEDADES-1024x576.jpg\" alt=\"\" class=\"wp-image-625 size-full\" srcset=\"https:\/\/elreportivo.cl\/olimpia\/wp-content\/uploads\/2023\/03\/6-NOVEDADES-1024x576.jpg 1024w, https:\/\/elreportivo.cl\/olimpia\/wp-content\/uploads\/2023\/03\/6-NOVEDADES-300x169.jpg 300w, https:\/\/elreportivo.cl\/olimpia\/wp-content\/uploads\/2023\/03\/6-NOVEDADES-768x432.jpg 768w, https:\/\/elreportivo.cl\/olimpia\/wp-content\/uploads\/2023\/03\/6-NOVEDADES.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n\n\n<p>Por qu\u00e9 los humanos somos los \u00fanicos primates sin pelo<\/p>\n<p>La BBC public\u00f3 una interesante nota esta sobre este tema, donde expuso varias hip\u00f3tesis.<\/p>\n<p>Los cient\u00edficos no saben de forma concluyente la raz\u00f3n detr\u00e1s de este cambio de un pelaje m\u00e1s grueso y \u00e1spero a estos vellos m\u00e1s suaves, como tampoco saben exactamente cu\u00e1ndo sucedi\u00f3. Aun as\u00ed, se han propuesto varias teor\u00edas acerca de lo que podr\u00eda haber provocado la p\u00e9rdida de nuestro pelo corporal.<\/p>\n<p>La opini\u00f3n m\u00e1s dominante es la llamada hip\u00f3tesis del \u201cenfriamiento del cuerpo\u201d, tambi\u00e9n conocida como la \u201cHip\u00f3tesis de la sabana\u201d. Esto apunta a una creciente necesidad de los primeros humanos de termorregular sus cuerpos como un factor que llev\u00f3 a la p\u00e9rdida de pelo.<\/p>\n<p>Durante el Pleistoceno, el Homo erectus y los hom\u00ednidos posteriores comenzaron a cazar de forma persistente en la sabana abierta, persiguiendo a su presa durante muchas horas para llevarla hasta el agotamiento sin necesidad de herramientas de caza sofisticadas, que aparecen m\u00e1s tarde en el registro f\u00f3sil.<\/p>\n<p>Este ejercicio de resistencia podr\u00eda haberlos puesto en riesgo de sobrecalentamiento, de ah\u00ed la p\u00e9rdida de pelo, lo que les habr\u00eda permitido sudar de manera m\u00e1s eficiente y enfriarse m\u00e1s r\u00e1pido sin necesidad de descansos.<\/p>\n<p>CULT\u00cdVATE \u2013 El Mostrador<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\"><\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"has-text-align-right wp-block-post-date has-text-color has-ast-global-color-5-color has-background has-vivid-red-background-color has-medium-font-size\"><time datetime=\"2023-03-26T00:05:00-03:00\">26\/Mar\/2023<\/time><\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":625,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"plain-container","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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