The region of rolling hills and valleys is part of a geologic formation known as the Ridge and Valley Province that stretches from New York to Alabama.
Painting Pennsylvania Hills
articles
A Sliver of Mexico’s “Mother Mountain Range”
The Sierra Madre Oriental is part of a chain that stretches across three continents.
Genes Unlock Clues to the Evolution & Survival of the Great Barrier Reef
In a ground-breaking new study, scientists used innovative molecular techniques to explain how corals on the east coast of Australia survived previous tough conditions—enabling the Great Barrier Reef to become the vast reef it is today.
Caribbean Coral Reefs Under Siege From Aggressive Algae
Human activity endangers coral health around the world.
How Stable Is the Antarctic Ice Sheet?
As temperatures rise due to climate change, the melting of polar ice sheets is accelerating.
Forest Fires, Cars, Power Plants Join List of Risk Factors for Alzheimer’s Disease
A new study led by researchers at UC San Francisco has found that among older Americans with cognitive impairment, the greater the air pollution in their neighborhood, the higher the likelihood of amyloid plaques – a hallmark of Alzheimer’s disease.
