The first known emerald mines were in Egypt, dating from at least 330 B.C. into the ... make an intense green color. Iron gives the stone a bluish tint. The most valuable emeralds are bluish-green to ...

This target, informed by scientific consensus on limiting global warming to 1.5°C above pre-industrial levels, is being adopted by governments and organizations across the world. However ...

This advertisement has not loaded yet, but your article continues below. The salmon are quickly returning to spawn in cool creeks that have been cut off to them for generations Researchers at ...

Electroreduction of nitrate or nitrite offers an appealing route for hydroxylamine synthesis but remains challenging due to its intermediate nature. Here, authors present a selective and fast ...

There is a Dark and Darker bundle that will give you a free promo code when purchased, from which you will get a “The Perfect Brew” emote and a “Coffee Time” rest motion. These are exclusive to that ...

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