How Scientists Discovered A New Species Native To Only One US River

In the south, there is a species of fish that is native to only a single river, anywhere in the world. Here's how we found it ...
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Does the Amazon River Flow Backward? The Remarkable Reversal of Earth’s Largest River

Does the Amazon River Flow Backward? It’s a question that often sparks curiosity among explorers, scientists, and anyone fascinated by the mysteries of our planet. Although most major rivers on Earth ...