Meet the mortar and pestle (the bowl is the mortar, and the pestle is the club-like pounding tool). Simple? Yes. And utterly invaluable in a kitchen. Tools don’t get much more basic than a mortar and ...

A mortar and pestle is a tried-and-true kitchen tool that’s been around for centuries—and it’s still as useful as ever today. If you’re not familiar, mortar refers to the sturdy bowl where you place ...

To adapt mortar to new building materials and industrial methods, the content in walls and plaster changed during the 20th century. The change meant that knowledge of historical materials and methods ...

A Convention Center billboard asks people to pray for the Marines that will killed in Hawthorne, Nev. on Tuesday March 19, 2013. Military officials say a mortar shell explosion killed seven Marines ...