Post-Gazette
Since 1961, 500,000 birds of 190 species have been banded at Powdermill Nature Reserve. A computer system from a volunteer group now holds the data.
Donations toward a Carnegie Museum of Natural History "wish list" have enhanced the study of birds, beetles, crayfish, snails and even buffalo-nut trees. (07/01/2009)
Astronomical highlights for the coming week; illustration prepared by Robert Marshall, Buhl Planetarium & Observatory.
This Saturday, when we mark our nation's 233 year of independence many communities will celebrate with parades marching down the main street of town. (06/29/2009)
Bob Donaldson/Post-Gazette
University of Pittsburgh professor Kazunori Koide demonstrates the fluorescent marker that glows green in the presence of ozone. Dr. Koide led the team that developed the marker.
A bright green glow definitely can draw attention. (06/27/2009)
Government, labor and faith community leaders have teamed with environmental organizations and more than two dozen corporations in touting the environmental and economic benefits to be gained by passage of the American Clean Energy and Security Act. (06/23/2009)
WASHINGTON -- Great white sharks have some things in common with human serial killers, a new study says: They don't attack at random, but stalk specific victims, lurking out of sight. (06/22/2009)