1.0St Martin-in-the-Fieldshttps://www.stmartin-in-the-fields.orgAdvent Carol Service - St Martin-in-the-Fieldsrich600338<blockquote class="wp-embedded-content" data-secret="764snzJtU6"><a href="https://www.stmartin-in-the-fields.org/advent-carol-service/">Advent Carol Service</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.stmartin-in-the-fields.org/advent-carol-service/embed/#?secret=764snzJtU6" width="600" height="338" title="“Advent Carol Service” — St Martin-in-the-Fields" data-secret="764snzJtU6" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! 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> If you’re a geologist, you have an extensive vocabulary for circumscribing what the rest of us generally call ‘a very long time.’ For geologists there’s an age, and bigger than that there’s an epoch, and beyond that there’s a period; but that’s not all.