Diamonds and other gemstones are weighed in metric carats: one carat is equal to 0.2 grams, about the same weight as a paperclip. (Don’t confuse carat with karat, as in “18K gold,” which refers to ...

One study estimates diamond dust would be 2,400 times more expensive than sulfur. Between 2035 and 2100, deployment could cost $175 trillion. Crucially, other safer alternatives to sulfur do exist ...

This advertisement has not loaded yet, but your article continues below. The more than 100 carriers that fly to Israel in peacetime have been winnowed down to fewer than a dozen, giving Israeli ...

Nonetheless, the structure that allows the Federal government to exclude the balance sheets of these two institutions from the Federal account prevents a total of $5 trillion from being regarded as US ...