Articles, tagged with "calcium deposits", page 1

Evidence of markers being utilized to signify where a person was put to rest was a tradition for thousands of years. Numerous names can be used for these markers including gravestones, headstones, and tombstones. They're placed to pay homage to the deceas...

This sounds like a question of the Stone Age. All grade school students have probably done an experiment relating to this in their science class or in their backyard. The moral of the story is to keep the matchsticks away from misguided children. All l...