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America Needs Focus on AIDS Crisis Among U.S. Blacks
Global Warming Tied to Heat Wave; Lawsuits Loom
Study: Stress Linked to Chromosome Damage, Aging
Research Effort Eyes Link Between Poverty, Obesity
Bison Bones Shed Light on Demise of Large Mammals
Drowsy Turkey Claims Disputed
Flawed Study May Imperil Florida Panther Habitat
Possible U.S. Mad Cow Case Tests Negative
Source of Amphibian Fungus Pinpointed
Farm-Bred Turkeys Make Comeback
Squaring Off over 'Frankenpines' in the Adirondacks
Physicists Decry Bush's Mars Mission Plan
Study Probes Roots of Human Empathy
Richard Dawkins, 'Pilgrimage to the Dawn of Evolution'
Anthropology Update: Spanish Scientists Discover Ape Fossil