Vee Karu

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When You Waste Food, You're Wasting Tons Of Water, Too

Tossing out food is clearly a waste of money — and maybe even immoral, according to Pope Francis, who on Wednesday likened food waste to "stealing from the table of those who are poor and hungry." And as we've reported, you also may be creating extra greenhouse gas emissions by sending food to a …

The second world war guide to sexual health - in pictures

http://www.theguardian.com/artanddesign/gallery/2013/jun/06/second-world-war-sexual-health-pictures<p>720<p>Brazil's 'happy prostitute' ad isn't the first …

These NYC Subway Portraits From The '60s Are Marvelous

What is it about spying on people on the train — no matter what decade — that's just so delightful?<p>All images via Brooklyn Public Library

Libraries

Island Formations Might Make Tsunamis Worse

A computer simulation found nearby islands can amplify the severity of a tsunami by as much as 70 percent.<p>While it seems like the more barriers between you and a ginormous wall of water, the better, new research shows the same islands that can insulate a beach against your average wind-driven wave …

Aqua regia, literally meaning “King’s water”, is a highly corrosive mixture of acids; it is the only mixture of acids that can dissolve gold

<b>Aqua regia,</b> literally meaning “King’s water”, is a highly corrosive mixture of acids; it is the only mixture of acids that can dissolve gold.<p>Hungarian chemist George de Hevesy dissolved the nobel prizes of his peers in aqua regia during the German invasion of Denmark in WWII to prevent Nazis from looting the prizes. He placed the liquid solution of gold and aqua regia in plain sight where it was overlooked. After the war had ended, de Hevesy returned to precipitate the gold out of the mixture. …