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MILAN -- Officials at the Pompeii archaeological site have announced a dramatic new discovery, the skeleton of a man crushed by an enormous stone while trying to flee the explosion of Mt. Vesuvius ...

Enhanced weathering speeds up a natural process that locks away CO2 from the air or soil. Read more at straitstimes.com. Read more at straitstimes.com.

This article was originally published with the title “ How Stone is Crushed and Screened ” in Scientific American Magazine Vol. 65 No. 19 (November 1891), p. 294 doi:10.1038 ...