div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Science Update - No 270 - Apr 2016 src=https:reader034vdocumentinreader034viewer2022042723588340d91a28abbe6b8b4b09html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Science Update - No 270 - Apr 2016 src=https:reader034vdocumentinreader034viewer2022042723588340d91a28abbe6b8b4b09html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: Science Update - No 270 - Apr 2016 src=https:reader034vdocumentinreader034viewer2022042723588340d91a28abbe6b8b4b09html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: Science Update - No 270 - Apr 2016 src=https:reader034vdocumentinreader034viewer2022042723588340d91a28abbe6b8b4b09html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: Science Update - 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