Latest Barbara J. Mahler Stories

2005-07-09 10:17:09

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...

Word of the Day
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'