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#lifehistory

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Radical Anthropology<p>Exciting new paper here assessing ages for <a href="https://c.im/tags/puberty" class="mention hashtag" rel="tag">#<span>puberty</span></a> onset and <a href="https://c.im/tags/menarche" class="mention hashtag" rel="tag">#<span>menarche</span></a> among <a href="https://c.im/tags/UpperPalaeolithic" class="mention hashtag" rel="tag">#<span>UpperPalaeolithic</span></a> <a href="https://c.im/tags/huntergatherers" class="mention hashtag" rel="tag">#<span>huntergatherers</span></a> (from Russia, Czechia, Italy).</p><p>&#39;Our results revealed that while puberty had begun by 13.5 years of age for the majority of individuals, there was a lot of variability, with the adolescents from Arene Candide (AC1 and AC16), both aged around 16 years when they died, taking several years longer to progress through puberty than their peers. Assessing the age of menarche was challenging due to the paucity of female adolescents, but based on the available evidence, it appears to have occurred between 16 and 17 years of age. For some, full adulthood had been achieved by 17–22 years, similar to the patterns seen in modern wealthy countries and in advance of historic populations living in urbanized environments.&#39;</p><p><a href="https://c.im/tags/adolescence" class="mention hashtag" rel="tag">#<span>adolescence</span></a> <a href="https://c.im/tags/lifehistory" class="mention hashtag" rel="tag">#<span>lifehistory</span></a> <a href="https://c.im/tags/humanevolution" class="mention hashtag" rel="tag">#<span>humanevolution</span></a> <a href="https://c.im/tags/anthropology" class="mention hashtag" rel="tag">#<span>anthropology</span></a> <a href="https://c.im/tags/archaeology" class="mention hashtag" rel="tag">#<span>archaeology</span></a> <a href="https://c.im/tags/burials" class="mention hashtag" rel="tag">#<span>burials</span></a></p><p><a href="https://www.sciencedirect.com/science/article/pii/S004724842400085X?dgcid=raven_sd_via_email" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">sciencedirect.com/science/arti</span><span class="invisible">cle/pii/S004724842400085X?dgcid=raven_sd_via_email</span></a></p>
Radical Anthropology<p>😢loss of old wise animals -- devastating to their social systems</p><p>&#39;Earth&#39;s old animals are in decline. Despite this, emerging research is revealing the vital contributions of older individuals to cultural transmission, population dynamics, and ecosystem processes and services. Often the largest and most experienced, old individuals are most valued by humans and make important contributions to reproduction, information acquisition and cultural transmission, trophic dynamics, and resistance and resilience to natural and anthropogenic disturbance.These observations contrast with the senescence-focused paradigm of old age that has dominated the literature for over a century yet are consistent with findings from behavioral ecology and life-history theory. Here, we review why the global loss of old individuals can be particularly detrimental to long-lived animals with indeterminate growth, increasing reproductive output with age, and those dependent on migration, sociality and cultural transmission for survival.&#39;</p><p><a href="https://c.im/tags/lifehistory" class="mention hashtag" rel="tag">#<span>lifehistory</span></a> <a href="https://c.im/tags/culturaltransmission" class="mention hashtag" rel="tag">#<span>culturaltransmission</span></a> <a href="https://c.im/tags/memory" class="mention hashtag" rel="tag">#<span>memory</span></a></p><p><a href="https://www.science.org/doi/10.1126/science.ado2705" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">science.org/doi/10.1126/scienc</span><span class="invisible">e.ado2705</span></a></p>
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