div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: To Split or not to Split src=https:reader036vdocumentsusreader036viewer2022073020575068381a28ab0f07af2870html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1967 Nature Publishing Grouppdiv