Isolations of chimpanzee coryza agent were made from December, 1958, through April, 1959, but the great majority (70 per cent) were made during January and February, 1959. No isolations were made ...

Two studies of wild chimps point to the evolutionary roots of human language. The studies found that chimp communication often relies on rhythmic structures and call combinations.

Chimpanzees are humans' closest living relatives. But does much of their communication resembles ours? According to a new study published earlier this week in the journal Current Biology ...