document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=70172\">科学家制作海洋缺氧水域新地图</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=70174\">科学家从猪殃殃草汲取灵感创造可生物降解的魔术贴</a></p></div>");