michael<p>3-Apr-2025<br><a href="https://mastodon.social/tags/MolecularClock" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MolecularClock</span></a> analysis shows <a href="https://mastodon.social/tags/bacteria" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>bacteria</span></a> used <a href="https://mastodon.social/tags/oxygen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oxygen</span></a> long before widespread photosynthesis<br>Scientists use the <a href="https://mastodon.social/tags/GreatOxidationEvent" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GreatOxidationEvent</span></a> and how organisms adapted to it to map bacterial <a href="https://mastodon.social/tags/evolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>evolution</span></a></p><p><a href="https://www.eurekalert.org/news-releases/1078069" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eurekalert.org/news-releases/1</span><span class="invisible">078069</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/astrobiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrobiology</span></a></p>