{"id":514372,"date":"2022-03-07T14:21:19","date_gmt":"2022-03-07T19:21:19","guid":{"rendered":"https:\/\/www.rochester.edu\/newscenter\/?p=514372"},"modified":"2022-03-14T16:02:17","modified_gmt":"2022-03-14T20:02:17","slug":"watch-vinegar-eels-do-the-wave-514372","status":"publish","type":"post","link":"https:\/\/www.rochester.edu\/newscenter\/watch-vinegar-eels-do-the-wave-514372\/","title":{"rendered":"WATCH: Vinegar eels \u2018do the wave\u2019"},"content":{"rendered":"<div class=\"embed-container\"><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/zOYYsxXHXIA\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><\/iframe><\/div>\n<h2 style=\"width: 85%; font-weight: bold; line-height: 135%; margin-bottom: 0.5em;\">This never-before-seen style of collective motion isn\u2019t the only finding that surprised Rochester researchers about the organisms.<\/h2>\n<p>What happens when thousands of tiny vinegar eels are placed in a bead of water? According to researchers at the University of Rochester, they do the wave.<\/p>\n<p><a href=\"https:\/\/www.pas.rochester.edu\/people\/postdoctoral-associates\/peshkov_anton\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Anton Peshkov<\/strong><\/a>, a postdoctoral research associate in the lab of\u00a0<strong><a href=\"https:\/\/www.pas.rochester.edu\/people\/faculty\/teitel_stephen\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">Stephen Teitel<\/a><\/strong>, professor of physics;\u00a0<a href=\"https:\/\/www.pas.rochester.edu\/people\/faculty\/quillen_alice\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Alice Quillen<\/strong><\/a>, a professor of physics and astronomy; and undergraduate student Sonia McGaffigan \u201923\u00a0placed thousands of <em>Turbatrix aceti<\/em>, a species of millimeter-long nematodes (roundworms) commonly known as vinegar eels, in a drop of water. The small eels then exhibited several surprising behaviors, including coordinating their motions as they swarmed together. The researchers, who published their findings in the journal <a href=\"https:\/\/pubs.rsc.org\/en\/content\/articlelanding\/2022\/SM\/D1SM01572A\"><em>Soft Matter<\/em><\/a>, liken the movement to a crowd doing the wave at a sporting event.<\/p>\n<figure id=\"attachment_514382\" aria-describedby=\"caption-attachment-514382\" style=\"width: 630px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-514382\" src=\"https:\/\/www.rochester.edu\/newscenter\/wp-content\/uploads\/2022\/03\/fea-vinegar-eels-wave-630x378.jpg\" alt=\"white eels shaped like a circle on a black background\" width=\"630\" height=\"378\" srcset=\"https:\/\/www.rochester.edu\/newscenter\/wp-content\/uploads\/2022\/03\/fea-vinegar-eels-wave-630x378.jpg 630w, https:\/\/www.rochester.edu\/newscenter\/wp-content\/uploads\/2022\/03\/fea-vinegar-eels-wave-193x117.jpg 193w, https:\/\/www.rochester.edu\/newscenter\/wp-content\/uploads\/2022\/03\/fea-vinegar-eels-wave-768x461.jpg 768w, https:\/\/www.rochester.edu\/newscenter\/wp-content\/uploads\/2022\/03\/fea-vinegar-eels-wave.jpg 1000w\" sizes=\"auto, (max-width: 630px) 100vw, 630px\" \/><figcaption id=\"caption-attachment-514382\" class=\"wp-caption-text\">Researchers observed vinegar eels swimming randomly in a water droplet before some began clustering in the middle while others moved to the outer edge\u2014where they moved together in a wave-like motion.<\/figcaption><\/figure>\n<p>\u201cThis wavelike collective motion has not been seen before in any other organisms this large,\u201d Quillen says.<\/p>\n<p>Peshkov and Quillen have previously worked on models of active matter and granular systems, which are systems composed of many particles visible to the naked eye. They originally focused their research on briny shrimp\u2014also known as sea monkeys\u2014and how they move, but then decided to explore collective motion in a different type of organism.<\/p>\n<p>A video recorded by the researchers shows that the vinegar eels swim randomly in the water droplet for a few minutes before some begin clustering in the middle while others move to the outer edge. Eventually, the individual eels at the border begin oscillating together and the swarm moves in an undulating, wave-like motion. The movement is a combination of swarming and synchronization.<\/p>\n<p>Researchers have studied organisms that can move collectively, such as schools of fish or flocks of birds, or organisms capable of synchronization, such as flashing fireflies. But the nematode vinegar eels that Peshkov and Quillen studied are the first known species to combine both collective motion and synchronized oscillation in a single organism.<\/p>\n<p>The special movement isn\u2019t the only surprising thing the researchers found.<\/p>\n<p>Once the vinegar eels began swimming in unison, the eels stirred up flows that pushed against the edge of the water droplet, preventing the droplet from contracting. This changed the physics of the water droplet\u2019s evaporation by counteracting the surface-tension force. The researchers were able to measure the force exerted by the swarm of nematodes and found that each vinegar eel generated 1 micronewton of force. In other words, the tiny eels are capable of moving objects hundreds of times their own weight.<\/p>\n<p>\u201cThese eels can produce new states of matter that were not explored before, like the collective moving metachronal wave that we present in our article,\u201d Peshkov says. \u201cBy harnessing the strong fluid flows and propulsive forces that are produced, we could envision, in the future, displacing small objects inside fluids and creating on-demand fluid flows in microchannels.\u201d<\/p>\n<hr \/>\n<h3><strong>Read more<\/strong><\/h3>\n<div class=\"large-up-3\">\n<div class=\"column\" style=\"padding-left: 0px;\"><a href=\"https:\/\/www.rochester.edu\/newscenter\/new-data-asteroid-surfaces-robotic-explorers-touchdown-safely-444942\/\"><img decoding=\"async\" style=\"margin-bottom: 10px;\" src=\"https:\/\/www.rochester.edu\/newscenter\/wp-content\/uploads\/2020\/07\/fea-osirisrextagprint-asteroid-surfaces.jpg\" alt=\"Illustration of OSIRIS-REx collecting samples on an asteroid surface\" \/><strong>New data about asteroid surfaces will help explorers touch down safely<\/strong><\/a><br \/>\n<span style=\"font-size: .9em;\">Using sand, marbles, and mathematical modeling, Rochester physicist Alice Quillen studies what happens when objects touch down on complex, granular surfaces in low-gravity environments.<\/span><\/div>\n<div class=\"column\" style=\"padding-left: 0px;\"><a href=\"https:\/\/www.rochester.edu\/newscenter\/ice-core-lab-what-does-ice-sound-like-303142\/\"><img decoding=\"async\" style=\"margin-bottom: 10px;\" src=\"https:\/\/www.rochester.edu\/newscenter\/wp-content\/uploads\/2018\/04\/fea-ice-lab-sounds.jpg\" alt=\"a blue hole surrounded by ice\" \/><strong>What sound does ice make when it\u2019s dropped 90 meters into an Antarctic glacier? <\/strong><\/a><br \/>\n<span style=\"font-size: .9em;\">Researchers in the University of Rochester\u2019s Ice Core Lab shared a viral video that shows the \u201cunexpected and fascinating\u201d noise that ice makes when it hits the bottom of a borehole in Antarctica.<\/span><\/div>\n<div class=\"column\" style=\"padding-left: 0px;\"><a href=\"https:\/\/www.rochester.edu\/newscenter\/firefly-researchers-mapping-worlds-second-most-interesting-genome-269372\/\"><img decoding=\"async\" style=\"margin-bottom: 10px;\" src=\"https:\/\/www.rochester.edu\/newscenter\/wp-content\/uploads\/2017\/09\/fea-fireflies-composite.jpg\" alt=\"lots of streaks of light from many fireflies against the night sky\" \/><strong>Firefly researchers mapping \u2018world\u2019s second-most interesting genome\u2019<\/strong><\/a><br \/>\n<span style=\"font-size: .9em;\">Rochester biology Amanda Larracuente is a specialist in evolutionary genetics and genomics and has been involved in a project studying <em>Photinus pyralis<\/em>\u2014or, the Big Dipper firefly.<\/span><\/div>\n<div><\/div>\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>This never-before-seen style of collective motion isn\u2019t the only finding that surprised Rochester researchers about the organisms.<\/p>\n","protected":false},"author":912,"featured_media":514382,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[116],"tags":[19152,18662,18572,16072],"class_list":["post-514372","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sci-tech","tag-alice-quillen","tag-department-of-physics-and-astronomy","tag-research-finding","tag-school-of-arts-and-sciences"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>WATCH: Vinegar eels \u2018do the wave\u2019<\/title>\n<meta name=\"description\" content=\"This never-before-seen style of collective motion isn\u2019t the only finding that surprised Rochester researchers about the organisms.\" \/>\n<meta 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