Latest Barbara J. Mahler Stories
Widely used sealants add carcinogens to local streams, study finds America's love affair with the road may be polluting its fields and streams: Researchers say runoff from sealant-covered parking lots and driveways can flood nearby water systems with known carcinogens. Chemicals called polycyclic aromatic hydrocarbons (PAHs) pose well-known health risks to animals and humans and are released in automobile exhaust, lubricating oils and from tire use. Now, a joint study by the U.S. Geological...
- The navel or umbilicus.
- In Greek archaeology: A central boss, as on a shield, a bowl, etc.