div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=putting-the-peas-in-contexthtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Putting the peas in context loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentssitereader031viewer2022020405575068981a28ab0f07b0e2f0html5thumbnails1jpg width=140 height=200 divp© 1995 Nature Publishing Grouppdiv