Imagine a world where elephants roam freely across vast, interconnected landscapes, their ancient wisdom anchoring the health ...

If this Africa-wide theory were true, then early humans must have figured out how to live in many environments beyond ...

They can look desolate, generally containing few or no trees, except in areas along rivers and streams. But they are vibrant ecosystems, and some, like the African savanna, are home to the animal ...

or a savanna. These animals are best adapted to vast expanses of grassland with scattered trees, where the climate is hot, year-round. Savannas cover almost half the surface of Africa and large ...