DUMBO’s most celebrated puddle has gone dry — and now its chroniclers appear to have dried up, too.

This article was originally published with the title “ Iron Refining and Puddling Furnaces ” in Scientific American Magazine Vol. 8 No. 49 (August 1853), p. 385 doi:10.1038 ...

The end product was a tearshaped hollow, about four feet deep in the middle, shelving out gradually towards the point. All it needed was filling up with rain to see if there was sufficient clay in ...

Bentonite is a very old clay that has been used as a remedy for many things. The fine powder forms when volcanic ash ages. It’s named after Fort Benton, WY, which has a lot of it. But it’s ...

I had been at Heil Ranch the previous day and had spotted colorful melissa blue butterflies, but gusty winds kept me from getting a decent photo. Now I was returning to get a good photo of the tiny… ...