{"version":"1.0","provider_name":"Canada News Beep | NewsBeep.com","provider_url":"https:\/\/www.newsbeep.com\/ca","author_name":"NEWSBEEP","author_url":"https:\/\/www.newsbeep.com\/ca\/author\/newsbeep\/","title":"At about 19 kilometres up the air pressure falls low enough that water boils at human body temperature, so an unprotected person there would feel the saliva on their tongue turn to vapour, which is why aircrew above that altitude wear sealed pressure suits rather than an oxygen mask","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Zl4X9Sdlzv\"><a href=\"https:\/\/www.newsbeep.com\/ca\/837593\/\">At about 19 kilometres up the air pressure falls low enough that water boils at human body temperature, so an unprotected person there would feel the saliva on their tongue turn to vapour, which is why aircrew above that altitude wear sealed pressure suits rather than an oxygen mask<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.newsbeep.com\/ca\/837593\/embed\/#?secret=Zl4X9Sdlzv\" width=\"600\" height=\"338\" title=\"&#8220;At about 19 kilometres up the air pressure falls low enough that water boils at human body temperature, so an unprotected person there would feel the saliva on their tongue turn to vapour, which is why aircrew above that altitude wear sealed pressure suits rather than an oxygen mask&#8221; &#8212; Canada News Beep | NewsBeep.com\" data-secret=\"Zl4X9Sdlzv\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/www.newsbeep.com\/ca\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.newsbeep.com\/ca\/wp-content\/uploads\/2026\/07\/nasa-early-full-pressure-suit-ecn-2297-768x553.jpg","thumbnail_width":600,"thumbnail_height":432}