Syria's embattled government said Saturday it was setting up a ring of steel around Damascus, state media reported, as rebels on a lightning advance said they were bearing down on the city.

Watch as a skilled blacksmith transforms a car chain into a stunning Damascus steel knife ... judgment from Rudy Giuliani say World Series rings must be given up ...

Recreating Damascus steel remains a holy grail of materials science. The exact process and alloys used are long ago lost to time. At best, modern steelworking methods are able to produce a rough ...