Latest Jeffrey Levinton Stories
By Delthia Ricks, Newsday, Melville, N.Y. Jul. 24--Mercury levels in several varieties of Hudson River fish have declined significantly over the past three decades, Stony Brook researchers have found in an analysis that points to dramatically decreasing concentrations of industrial pollution. Heavy-metal contaminants -- particularly mercury -- mounted up in the Hudson throughout most of the 20th century because of increasing dependence on the river for industry and commerce. Now, after...
- The navel or umbilicus.
- In Greek archaeology: A central boss, as on a shield, a bowl, etc.