CONTENTIOUS CONNECTION The age of the narrow strip of land that links North and South America is at the center of a debate among scientists. The rocky coasts of the Isthmus of Panama (shown) alter ocean currents and the world’s climate.
A. O’Dea
CONTENTIOUS CONNECTION The age of the narrow strip of land that links North and South America is at the center of a debate among scientists. The rocky coasts of the Isthmus of Panama (shown) alter ocean currents and the world’s climate.
A. O’Dea