Chimpanzees that live in the wild don't disgust a shot, according to a study published by the Royal Society Open Science. Researchers have tracked the behavior of apes and collected data between 1995 and 2012 in the town of Boussou, in Guinea, whose inhabitants make palm wine. To obtain it, they collect the sweet sap of raffia, a type of palm, by clicking on the tree to collect the liquid in a plastic container. The villagers carry out this operation twice a day, and with the fermented sap they make the wine.
Like humans, chimpanzees are aware that they know certain things, they reflect on what they are thinking and act accordingly, a skill known as metaknowledge. This is the conclusion reached by a team of researchers from different American universities after studying the responses offered by several of these primates during tests designed to analyze their memory capacity.
If we stick to its etymological meaning, the word 'intelligence' means 'to choose between' ... so that being intelligent could well be defined as knowing how to choose.
Although 70% of autistics suffer from an intellectual disability, some affected, as the film Rain Man showed years ago, not only retain their non-verbal intelligence, but sometimes this is above average, something that has always intrigued the experts.
It barely occupies the tip of an index finger, but the pigeon brain is a box of surprises for neuroscientists. For example, researchers at the University of Iowa have just discovered that these birds are able to categorize objects in a mental operation similar to that performed by children when they learn words.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
