New technique reveals genes underlying human evolution

One of the best ways to study human evolution is by comparing us with nonhuman species that, evolutionarily speaking, are closely related to us. That closeness can help scientists narrow down precisely what makes us human, ...

Los Angeles is a metropolitan den for mountain lions

Los Angeles is one of only two megacities—Mumbai, India, is the other—where large predatory cats live among us, and they're closer to human development than you might think.

Fluctuating environment may have driven human evolution

A series of rapid environmental changes in East Africa roughly 2 million years ago may be responsible for driving human evolution, according to researchers at Penn State and Rutgers University.

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