One of the most intriguing and intricate mysteries in paleontology is the disappearance of North America's giant mammals, or megafauna, which included saber-toothed cats, mastodons, and mammoths, some ...
In the past couple of decades, several species have been driven to extinction thanks, in large part, to human interference. Sometimes that interference is direct, poaching for big game trophies or ...
(CNN) — Humans have wiped out more than 100 species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass ...
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