Environment
Apes and humans share a common laughing ancestor
Laughter seems to be shared by all great apes 鈥� that would mean having a giggle dates back some 10 to 16 million years to our common ancestor
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Laughter seems to be shared by all great apes 鈥� that would mean having a giggle dates back some 10 to 16 million years to our common ancestor
The situation is "far more severe" than thought, with south-east Asian monkeys at the most critical risk and only a few conservation successes