Aside from supercontinent formations, North and South America were unconnected up until several million years ago; then a tiny slat of land linked the continents, triggering impacts that affected ...

By about 3 million years ago, an isthmus had formed between North and South America. (An“isthmus” is a narrow strip of land, with water on either side, that connects two larger bodies of land.) ...

It started from Asia to Beringia, a land bridge connecting Siberia and Alaska during the Ice Age, and crossing into South America through the Isthmus of Panama and eventually settling in Patagonia ...

Example: The Isthmus of Panama connects North America and South America. It’s super important because it allows ships to ...

But de Lesseps was certainly not the first to imagine a canal linking the Mediterranean and Red Seas—and, by extension, Europe and Asia—through the Isthmus of Suez. How the Suez Canal changed ...

Isthmuses. Isthmus of Panama: Connects North and South America Isthmus of Suez: Connects Africa and Asia Isthmus of Kra: Connects the Malay Peninsula to mainland Asia Isthmus of Tehuantepec ...

Walking to America. For those trying to reach the United States on foot, the deadly winds of the isthmus of Tehuantepec are just one of myriad existential obstacles.

The Isthmus of Panama connected North and South America sometime between 23 million and 3 million years ago. (Image credit: zbruch) Aside from supercontinent formations, North and South America ...