Niels de Winter<p>Loving the discussion surrounding this <span class="h-card" translate="no"><a href="https://mstdn.social/@PNASNews" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>PNASNews</span></a></span> publication on Phanerozoic <a href="https://mastodon.social/tags/paleo" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>paleo</span></a> <a href="https://mastodon.social/tags/temperature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>temperature</span></a> evolution, one of the most interesting <a href="https://mastodon.social/tags/paleoclimate" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>paleoclimate</span></a> discussions in my opinion.</p><p><a href="https://www.pnas.org/doi/10.1073/pnas.2400434121" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">pnas.org/doi/10.1073/pnas.2400</span><span class="invisible">434121</span></a></p><p>Critique: 6-10 degrees <a href="https://mastodon.social/tags/tropical" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tropical</span></a> <a href="https://mastodon.social/tags/ocean" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ocean</span></a> <a href="https://mastodon.social/tags/temperatures" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>temperatures</span></a> during the <a href="https://mastodon.social/tags/Ordovician" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ordovician</span></a> seem very low to me, especially considering that in this time (450 million years ago) corals were thriving. The critical comment by Ethan Grossman and colleagues therefore seems fitting.</p><p><a href="https://www.pnas.org/doi/10.1073/pnas.2424291122" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">pnas.org/doi/10.1073/pnas.2424</span><span class="invisible">291122</span></a></p>