1.0Institute of Oceanography, NTUhttps://www.oc.ntu.edu.tw/en/rich600338<blockquote class="wp-embedded-content" data-secret="oLKBzO4QGU"><a href="https://www.oc.ntu.edu.tw/en/research-highlights/35412/">ROV enables the study of cold seep sediments: Decoding microbial biomarkers and paleoenvironmental change</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.oc.ntu.edu.tw/en/research-highlights/35412/embed/#?secret=oLKBzO4QGU" width="600" height="338" title="“ROV enables the study of cold seep sediments: Decoding microbial biomarkers and paleoenvironmental change” — Institute of Oceanography, NTU" data-secret="oLKBzO4QGU" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); </script> https://www.oc.ntu.edu.tw/wp-content/uploads/2025/02/image-1.png624370Isoprenoid glycerol dialkyl glycerol tetraethers (GDGTs) are chemical compounds produced by archaea, a type of microorganism. Scientists use these compounds to study past climate and environmental conditions through different indicators, such as the Methane Index (MI) and TEX86. TEX86 helps estimate past ocean temperatures, but its accuracy depends on whether the GDGTs in the sediment […]