Pictures of the planet Mars show a rocky, lifeless scene. It is hard to imagine plants or animals could ever exist there. But scientists continue to look for evidence. NASA, America’s space agency, has found evidence that, a long time ago, there was surface water on the Red Planet. Scientists believe water is necessary to support life as we know it. So since that discovery, they have been looking for chemicals that would be present if there once was -- or still is--- life on the planet. At a December 13 conference in California, NASA scientists reported a breakthrough. They said for the first time that they had found very small amounts of an interesting element. It is called boron.
Title: Scientists Looking for Life on Mars
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/1597/life_on_mars.m4a' data-capture-url='//staging.analytics.lingraphica.com/events/capture_news' data-article-title='Scientists Looking for Life on Mars' data-article-id='2115'><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='6292'>Pictures of the planet Mars show a rocky, lifeless scene.</span> <span data-start-time='6292' data-end-time='12813'>It is hard to imagine plants or animals could ever exist there.</span> <span data-start-time='12813' data-end-time='17813'>But scientists continue to look for evidence.</span> <span data-start-time='17813' data-end-time='29208'>NASA, America’s space agency, has found evidence that, a long time ago, there was surface water on the Red Planet.</span> <span data-start-time='29208' data-end-time='36500'>Scientists believe water is necessary to support life as we know it.</span> <span data-start-time='36500' data-end-time='50542'>So since that discovery, they have been looking for chemicals that would be present if there once was -- or still is--- life on the planet.</span> <span data-start-time='50542' data-end-time='59625'>At a December 13 conference in California, NASA scientists reported a breakthrough.</span> <span data-start-time='59625' data-end-time='69375'>They said for the first time that they had found very small amounts of an interesting element.</span> <span data-start-time='69375' data-end-time='72208'>It is called boron.</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/1597/life_on_mars.jpg'/></div></div><div id='question-content' style='display:none;'><div class='vocabulary_question question-container' data-question-id=7854 data-hint-location='50542' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/what_does_breakthrough_mean.m4a'>What does breakthrough mean?</div><div class='choices' data-correct-choice='an important discovery or development'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/space_exploration.m4a'><span>space exploration</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/a_new_planet.m4a'><span>a new planet</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/an_important_discovery_or_development.m4a'><span>an important discovery or development</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/the_discovery_of_new_life.m4a'><span>the discovery of new life</span></div></div></div><div class='multiple_choice_question question-container' data-question-id=7855 data-hint-location='69375' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/what_element_was_discovered_on_mars.m4a'>What element was discovered on Mars?</div><div class='choices' data-correct-choice='boron'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/boron.m4a'><span>boron</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/oxygen.m4a'><span>oxygen</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/hydrogen.m4a'><span>hydrogen</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/carbon.m4a'><span>carbon</span></div></div></div><div class='sentence_completion_question question-container' data-question-id=7856 data-hint-location='29208' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/scientists_believe__blank__is_necessary_to_support_life.m4a'>Scientists believe <span class='blank'>water</span> is necessary to support life.</div><div class='choices' data-correct-choice='water'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/plants.m4a'><span>plants</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/water.m4a'><span>water</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/chemicals.m4a'><span>chemicals</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1597/animals.m4a'><span>animals</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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