The year 1893 was a big one for Eagle, Wisconsin. Workers found a huge diamond on the Devereaux farm: sixteen carats, uncut, and now, all these years later, missing.

Water is simultaneously one of the few things we absolutely cannot live without, and one of the things we value least. There's an economic rationale behind that.

Diamonds are sparkly. Diamonds are expensive. But diamonds are more than bling—they tell us a lot about the earth, itself.

The use of plants as indicators for specific environmental conditions