Radical Anthropology<p>And we should acknowledge the long ago work by <a href="https://c.im/tags/AlexanderMarshack" class="mention hashtag" rel="tag">#<span>AlexanderMarshack</span></a> on &#39;timefactored&#39; notations and lunar calendars in the <a href="https://c.im/tags/UpperPaleolithic" class="mention hashtag" rel="tag">#<span>UpperPaleolithic</span></a> </p><p>This is his wonderful photo of a detail from the <a href="https://c.im/tags/Lalinde" class="mention hashtag" rel="tag">#<span>Lalinde</span></a> Plaquette, c.13,000 years old from Dordogne -- a <a href="https://c.im/tags/ritual" class="mention hashtag" rel="tag">#<span>ritual</span></a> artefact of a <a href="https://c.im/tags/lunar" class="mention hashtag" rel="tag">#<span>lunar</span></a> and <a href="https://c.im/tags/menstrual" class="mention hashtag" rel="tag">#<span>menstrual</span></a> cosmology. Carved into soft limestone, it shows dancing, female figures linked by the powerpoints of their <a href="https://c.im/tags/vulvas" class="mention hashtag" rel="tag">#<span>vulvas</span></a> with grooving that has apparently been ritually repeated.</p>