Reading an awesome acorn worm developmental bio paper. It can be so hard to find a clear drawing of a really specific structure (especially ones lost in ontogeny, like the juvenile post-anal tail); useful for my postdoc on their Cambrian cousins

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Long Now members: watch a talk about the dawn of the idea of Historian Caroline Winterer walks us through a pivotal time in art, science and industry; "Conceiving the Inconceivable in the 19th Century" watch on our member site while you can https://t.co/UWCoZuNJJ9

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