div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Giuseppe Buffoli Marco Chiesa Camilla Marinoni Arend Roelink · Marinoni and Arend Roelink make noise when they breathe because they want to make a discrete signal of their presence src=https:reader034fdocumenticomreader034viewer20220524225c42391893f3c338e133760ehtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Giuseppe Buffoli Marco Chiesa Camilla Marinoni Arend Roelink · Marinoni and Arend Roelink make noise when they breathe because they want to make a discrete signal of their presence src=https:reader034fdocumenticomreader034viewer20220524225c42391893f3c338e133760ehtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv