{"id":4457,"date":"2015-11-03T11:11:46","date_gmt":"2015-11-03T16:11:46","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=4457"},"modified":"2015-11-12T16:23:49","modified_gmt":"2015-11-12T21:23:49","slug":"what-we-can-learn-from-jellyfish","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/what-we-can-learn-from-jellyfish\/","title":{"rendered":"What we can learn from jellyfish"},"content":{"rendered":"<div id=\"attachment_4458\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2015\/11\/media1-1024x922.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4458\" class=\"size-medium wp-image-4458\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2015\/11\/media1-1024x922-300x270.jpg\" alt=\"Snapshot of a lamprey eel (black outline) swimming in a water tank. The red regions represent high-pressure pushing forces and the blue regions represent  low-pressure suction forces. \" width=\"300\" height=\"270\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2015\/11\/media1-1024x922-300x270.jpg 300w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2015\/11\/media1-1024x922.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-4458\" class=\"wp-caption-text\">Snapshot of a lamprey eel (black outline) swimming in a water tank. The red regions represent high-pressure pushing forces and the blue regions represent low-pressure suction forces. (Image credit: John O. Dabiri)<\/p><\/div>\n<p><strong><span style=\"font-weight: 400;\">Jellyfish and lamprey eels have some of the lowest energy costs for swimming of any animal, and now scientists have figured out how they do it.\u00a0Fish, humans, and boats move forward by propelling water backwards thereby generating thrust. Jellyfish and eels however are able to generate low pressure regions that help pull them through the water. <\/span><\/strong><\/p>\n<p><strong><span style=\"font-weight: 400;\">The researchers hope to use this technique to design more efficient underwater vehicles.<\/span><\/strong><\/p>\n<p><strong><span style=\"font-weight: 400;\">The study\u00a0tracked the movement of eels and jellyfish by adding microscopic glass beads to the water around jellyfish and eels.\u00a0<\/span><\/strong><\/p>\n<p><a href=\"http:\/\/nature.com\/articles\/doi:10.1038\/ncomms9790\" target=\"_blank\"><span style=\"text-decoration: underline;\">Original research paper<\/span><\/a>\u00a0published in <em>Nature\u00a0<\/em>on <strong>November 3<\/strong><span class=\"aBn\" tabindex=\"0\" data-term=\"goog_453723367\"><span class=\"aQJ\"><strong>, 2015<\/strong>.<\/span><\/span><\/p>\n<p><span style=\"text-decoration: underline;\"><em><strong>Names and affiliations of selected\u00a0author<\/strong><\/em><\/span><\/p>\n<h4 class=\"grid grid-12 tiny-space-below\">John Dabiri,\u00a0Stanford University,,\u00a0California,\u00a0U.S.A.<\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Jellyfish and lamprey eels have some of the lowest energy costs for swimming of any animal, and now scientists have figured out how they do it.\u00a0Fish, humans, and boats move forward by propelling water backwards thereby generating thrust. Jellyfish and eels however are able to generate low pressure regions that help pull them through the [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4458,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_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":""},"categories":[25],"tags":[39,170,917],"class_list":["post-4457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest","tag-animal-behaviour","tag-biodiversity","tag-evolution"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2015\/11\/media1-1024x922.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-19T","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/4457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=4457"}],"version-history":[{"count":1,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/4457\/revisions"}],"predecessor-version":[{"id":4459,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/4457\/revisions\/4459"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/4458"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=4457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=4457"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=4457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}