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Researchers studied bonobo parents and infants at Salonga National Park in the Democratic Republic of the Congo, Central Africa.

An analysis of 1800 mammalian species shows that those in which females suckle not just their young but those of other females in the social group have larger litters

When orangutan mothers are foraging, they tailor their behaviour to match the age and abilities of their offspring, researchers in Konstanz, Germany report.

The decrease was identified during thee Holocene era when human began to form social groups instead of living individually. This allowed them to share information instead of storing it.

Modern human brains are 'relatively young' and only evolved as far back as 1.7 million years ago after the earliest humans first dispersed from Africa, a new study claims.   Researchers used computed tomography to examine the skulls of Homo fossils that lived in Africa and Asia between 1 million and 2 million years ago.  They then compared the results of their analysis to today's humans and our closest living relative – chimps and other great apes.  They pinpointed the development of a human-like brain sometime between 1.5 to 1.7 million years ago in Africa – just over a million year...