{"id":408849,"date":"2019-10-22T10:48:52","date_gmt":"2019-10-22T08:48:52","guid":{"rendered":"https:\/\/hudo.com\/si\/2019\/10\/22\/puscavska-mravljica-v-eni-sekundi-pretece-razdaljo-ki-ustreza-108-dolzinam-njenega-telesa\/"},"modified":"2019-10-22T10:48:52","modified_gmt":"2019-10-22T08:48:52","slug":"puscavska-mravljica-v-eni-sekundi-pretece-razdaljo-ki-ustreza-108-dolzinam-njenega-telesa","status":"publish","type":"post","link":"https:\/\/hudo.com\/si\/aktualno\/mnenja\/puscavska-mravljica-v-eni-sekundi-pretece-razdaljo-ki-ustreza-108-dolzinam-njenega-telesa\/","title":{"rendered":"Pu\u0161\u010davska mravljica v eni sekundi prete\u010de razdaljo, ki ustreza 108 dol\u017einam njenega telesa"},"content":{"rendered":"<figure>\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"320\" src=\"image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" \/><figcaption>foto:Profimedia<\/figcaption><\/figure>\n<p>\u010ce bi 100 dol\u017ein svojega telesa s tak\u0161no hitrostjo \u017eelel prete\u010di najhitrej\u0161i \u010dlovek na svetu, Usain Bolt, bi moral 200-metrsko razdaljo premagati v manj kot sekundi, poro\u010da francoska tiskovna agencija AFP.<\/p>\n<p>Dose\u017eek saharske srebrne mravlje (Cataglyphis bombycin) je \u0161e toliko bolj izjemen ob upo\u0161tevanju dejstva, da s tak\u0161no hitrostjo te\u010de po pu\u0161\u010davskem pesku, ki se sredi dneva segreje na 60 stopinj Celzija.<\/p>\n<p>\u0160tirje raziskovalci z univerz v Ulmu in Freiburgu so mravlje preu\u010devali v tunizijski pu\u0161\u010davi, kjer so postavili &#8220;teka\u0161ko progo&#8221; za te majhne \u017eu\u017eelke.<\/p>\n<p>Pred vhod v mravlji\u0161\u010de so postavili aluminijasti kanal\u010dek in na njegov konec nastavili vabo, s katero so mravlje zvabili ven. Nad kanal\u010dek so namestili kamero, ki je posnela mravlje, ko so hitele z enega konca proge na drugega, je pojasnila vodja ekipe Sarah Pfeffer.<\/p>\n<p>Raziskovalci so eno od mravlji\u0161\u010d izkopali in ga prepeljali v Nem\u010dijo, kjer so teka\u0161ke zmo\u017enosti pu\u0161\u010davske mravlje izmerili tudi v hladnej\u0161ih podnebnih razmerah. Ko je temperatura padla na 10 stopinj Celzija, se je hitrost mravelj pri\u010dakovano upo\u010dasnila za tretjino.<\/p>\n<p>Saharska srebrna mravlja je precej hitrej\u0161a od svoje najbli\u017eje zasledovalke Cataglyphis fortis, \u010deprav ima bistveno kraj\u0161e noge. S svojimi petmilimetrskimi no\u017eicami dose\u017ee najve\u010djo hitrost do 1,3 metra na sekundo. Ko prestavi v najvi\u0161jo prestavo, se dol\u017eina njenih korakov podalj\u0161a za \u0161tirikrat.<\/p>\n<p>Znanstveniki so tudi ugotovili, da saharska srebrna mravlja, ko te\u010de z najve\u010djo hitrostjo, galopira. Takrat v rednih intervalih ska\u010de z vsemi \u0161estimi nogami hkrati.<\/p>\n<p>Saharske srebrne mravlje so zunaj mravlji\u0161\u010da dejavne le okoli deset minut na dan. V tem \u010dasu i\u0161\u010dejo hrano, ki jo lahko po ko\u0161\u010dkih odnesejo domov.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Saharska srebrna mravlja je najhitrej\u0161a med 12.000 znanimi vrstami mravelj. Znanstveniki so namre\u010d izmerili, da po pu\u0161\u010davi hiti s hitrostjo 85,5 centimetra na sekundo. To pomeni, da sprinterka na \u0161estih nogah v eni sekundi prete\u010de 108 dol\u017ein svojega telesa.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1605],"tags":[1674,7234,1645],"source":[1607,1518],"supertag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pu\u0161\u010davska mravljica v eni sekundi prete\u010de razdaljo, ki ustreza 108 dol\u017einam njenega telesa - Hudo Slovenija<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hudo.com\/si\/aktualno\/mnenja\/puscavska-mravljica-v-eni-sekundi-pretece-razdaljo-ki-ustreza-108-dolzinam-njenega-telesa\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pu\u0161\u010davska mravljica v eni sekundi prete\u010de razdaljo, ki ustreza 108 dol\u017einam njenega telesa - Hudo Slovenija\" \/>\n<meta property=\"og:description\" content=\"Saharska srebrna mravlja je najhitrej\u0161a med 12.000 znanimi vrstami mravelj. Znanstveniki so namre\u010d izmerili, da po pu\u0161\u010davi hiti s hitrostjo 85,5 centimetra na sekundo. 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