News Briefs: Ancient Water Treatment System Uncovered in Guatamalan Forests

The oldest known example of a water treatment system was recently uncovered in the tropical forests of Guatemala. The ancient Mayan city of Tikal was built more than 2,000 years ago and was using zeolite to filter out harmful microorganisms and toxins, according to recent research published in Scientific Reports.Researchers collected sediment core samples from drinking water reservoirs used by the ancient city, and mineral analysis revealed the presence of zeolite, which is used in purification processes for its unique porous properties.Major Sewer Line Failure Stops Shellfish Harvest in a Virginia City Officials have placed a ban on shellfish harvesting after a