Researchers have used very small electronic devices to make jellyfish stronger and faster. The scientists say they developed these electronic jellyfish in the hopes of sending them to study and explore the world’s oceans. A report on the experiment was published in the journal Science Advances. Jellyfish are unusual creatures. They move through seawater by contracting, or reducing the size of, their muscles. For the experiment, the researchers put an electronic device, about 2 centimeters in length, inside a moon jellyfish, a common kind of jellyfish. The researchers said the device caused the creatures to move their bodies more often. They swam around three times faster than usual.
Title: Scientists Make Jellyfish Faster
Content: <div id='article-page'><div id='article-content' data-media-url='//news-app-staging.s3.amazonaws.com' data-base-url='//news-app-staging.herokuapp.com' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/jellies.wav' data-capture-url='//staging.analytics.lingraphica.com/events/capture_news' data-article-title='Scientists Make Jellyfish Faster' data-article-id='4475'><script src='//news-app-staging.herokuapp.com/javascripts/getscripts.js'></script><link rel='stylesheet' href='//news-app-staging.herokuapp.com/stylesheets/article.css' type='text/css' /><div class='article'><p><span data-start-time='0' data-end-time='10063'>Researchers have used very small electronic devices to make jellyfish stronger and faster.</span> <span data-start-time='10063' data-end-time='22958'>The scientists say they developed these electronic jellyfish in the hopes of sending them to study and explore the world’s oceans.</span> <span data-start-time='22958' data-end-time='30646'>A report on the experiment was published in the journal Science Advances.</span> <span data-start-time='30646' data-end-time='34188'>Jellyfish are unusual creatures.</span> <span data-start-time='34188' data-end-time='41729'>They move through seawater by contracting, or reducing the size of, their muscles.</span> <span data-start-time='41729' data-end-time='57396'>For the experiment, the researchers put an electronic device, about 2 centimeters in length, inside a moon jellyfish, a common kind of jellyfish.</span> <span data-start-time='57396' data-end-time='65896'>The researchers said the device caused the creatures to move their bodies more often.</span> <span data-start-time='65896' data-end-time='70646'>They swam around three times faster than usual.</span> </p></div><div class='control-buttons-sticky' style='display:none;'><div class='control-buttons'><button title='Back' class='back' disabled='disabled'></button><button title='Play' class='play' disabled='disabled'></button><button title='Pause' class='pause' style='display:none;'></button><button title='Forward' class='forward' disabled='disabled'></button><button class='finished-reading' style='display:none;'>Done</button></div></div></div><div id='article-media'><div id='media-image'><img src='https://news-app-production.s3.amazonaws.com/articles/3936/jellies.jpg'/></div></div><div id='question-content' style='display:none;'><div class='vocabulary_question question-container' data-question-id=14436 data-hint-location='34188' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/what_does_contract_mean.wav'>What does contract mean?</div><div class='choices' data-correct-choice='decrease in size'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/move_more_quickly.wav'><span>move more quickly</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/add_electronic_devices.wav'><span>add electronic devices</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/decrease_in_size.wav'><span>decrease in size</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/publish_a_report.wav'><span>publish a report</span></div></div></div><div class='multiple_choice_question question-container' data-question-id=14437 data-hint-location='41729' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/what_kind_of_jellyfish_was_used.wav'>What kind of jellyfish was used?</div><div class='choices' data-correct-choice='moon'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/sun.wav'><span>sun</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/moon.wav'><span>moon</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/star.wav'><span>star</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/planet.wav'><span>planet</span></div></div></div><div class='sentence_completion_question question-container' data-question-id=14438 data-hint-location='30646' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/jellyfish_are__blank__creatures.wav'>Jellyfish are <span class='blank'>unusual</span> creatures.</div><div class='choices' data-correct-choice='unusual'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/unusual.wav'><span>unusual</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/boring.wav'><span>boring</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/slow.wav'><span>slow</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/3936/stronger.wav'><span>stronger</span></div></div></div><div class='question-buttons'><button class='skip-button'></button><button class='hint-button'></button><button class='speak-button'></button></div></div></div>
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