[الزعيم محمد الملوى]

5-in a recent experience scientists showed that birds can cooperate in complex jobs
6-the birds could see the food but to get it into their cage they had to pull pieces of string attached to the box
7-scientists found that they could successfully teach many pairs of birds to get their food in this way
8- the university which my uncle works in is in Cairo
the university where my uncle works is in cairo