CALISTOGA, Calif. (AP) — For residents of this quaint tourist town on the northern edge of Napa Valley, the threat of ...

Quezon City.  As schools get ready for next week’s Brigada Eskwela cleanup, repair and maintenance activities, the ...

Mercury is a xenobiotic metal that is a highly deleterious ... pH 6.8. The slides were coded and scored in a blind manner using light microscopy. One thousand metaphases per treatment were observed ...

Many Michiganders are preparing for the swarms of mayflies that occur in early summer. Here's what to know about the insects.

Because of its prolonged atmospheric residence time, elemental mercury vapor is distributed on a global scale. Recently, Canadian researchers have discovered that total gaseous mercury levels in the ...