They can easily make a hook from wire, if they need to get a treat.
To eight years children are virtually unable to solve this problem. In the seven years to bend the hook wire to solve any problem capable of less than half of the children. Therefore, experiments with these “hooks” popular among scientists-behaviorists, studying the behavior and cognitive abilities of animals.
The experiments of the Austrian and German scientists was held in the Leipzig zoo. In the first embodiment, the orangutans were offered a reward placed on the bottom of a long vertical transparent tube: orangutans could not get her paw, but received a fragment of line wire. In the second case the bait was placed in a horizontal pipe, and the wire was bent at a right angle, so to get her prey was only previously straight this simple tool.
Express info by country
Germany (Federal Republic of Germany) is a country in Western Europe.
|Coat of arms
Capital – Berlin
Biggest cities: Berlin, Hamburg, Munich, Cologne, Frankfurt, Stuttgart, Dusseldorf, Dresden, Leipzig
Form of government – parliamentary Republic
The area – 357 021 km2 (62nd in the world)
Population – 80,78 million people (16th in the world)
Official language – German
Religion – Protestantism, Catholicism
HDI – 0,916 (6th in the world)
GDP – $3,86 trillion (4th in the world)
Currency – Euro
Borders: Denmark, Poland, Czech Republic, Austria, Switzerland, France, Luxembourg, Belgium, Netherlands