When people have an audience watching them, it can change their performance for better or worse. Now, researchers have found that chimpanzees' performance on computer tasks is influenced by the number ...

The more we try to understand chimpanzees, one of our closest relatives, the more we find ourselves humbled by the richness and complexity of their lives — and of their intelligence. Today, on World ...

15,734 people played the daily Crossword recently. Can you solve it faster than others?15,734 people played the daily Crossword recently. Can you solve it faster than others?

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