When human and chimp infants are dozing, they sometimes show facial movements that resemble smiles. These facial expressions—called spontaneous smiles—are considered the evolutionary origin of real smiles and laughter.
Evolution
Aug 4, 2016
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The case of Reo, a male chimpanzee that learned to walk again after being paralyzed due to illness, shows how much can be done to rehabilitate animals injured in captivity. So says lead author Yoko Sakuraba of Kyoto University, ...
Plants & Animals
Jul 5, 2016
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23
A dewy morning fog hangs over the Silver River in central Florida. Gibbering chirps resound through the riverside oaks and maples as the local colony of rhesus macaques rises to greet the day. Two anthropologists from San ...
Plants & Animals
Feb 19, 2016
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74
A chimpanzee mother cared for her disabled infant in the wild in Tanzania, Japanese researchers reported in a study published this week, research they hope will help in understanding the evolution of social care in humans.
Plants & Animals
Nov 11, 2015
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