Nancy Knowlton of the Smithsonian Tropical Research Institute in Panama ... She and her colleagues found that shrimp on one side of the isthmus appeared almost identical to those on the other ...
The narrow slice of marshland that connects Nova Scotia to New Brunswick is a fragile thread that allows for roughly $35 ...
The isthmus is home to diverse ecosystems, including tropical rainforests and mangroves, and harbors endangered species such ...