Chemical Composition of Urine

While researching the chemical composition of urine, I came across an interesting story:

Allied troops in World War I were supplied with masks equipped with cotton pads soaked in urine because it was believed the ammonia in the urine would neutralize the chlorine gas used by German soldiers. Chlorine dissolves in the water portion of the urine, reacting with urea to form dichlorourea. While I'm sure you'd rather have an actual gas mask in the event you are exposed to chlorine, now you know how to make your own emergency filter.

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The Moon Is Not Made of Cheese - Lunar Composition

It's possible you've heard the Moon is made of cheese, but I hope you didn't believe it! The Moon is a rocky body, similar in many ways to Earth. It even has an atmosphere, although not one you would want to breathe. Here's a look at the composition of the Moon, including the core, mantle, crust, Moon rocks, and lunar atmosphere... read moreif(zs>0){if(zSbL250)gEI("spacer").style.height=Math.floor(e[0].height/12)+17.5+'em';else{var zIClns=[];function walkup(e){if(e.className!='entry'){if(e.nodeName=='A'||e.style.styleFloat=='right'||e.style.cssFloat=='right'||e.align=='right'||e.align=='left'||e.className=='alignright'||e.className=='alignleft')zIClns.push(e);walkup(e.parentNode)}}walkup(e[0]);if(zIClns.length){node=zIClns[zIClns.length-1];var clone=node.cloneNode(true);node.parentNode.removeChild(node);getElementsByClassName("entry",gEI("articlebody"))[0].insertBefore(clone,gEI("spacer"))}}}};zSB(2);zSbL=0

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