pelecaniformes are large water birds feeding by hunting fish and living usually in the sea and in fresh water. ectoparasitic lice of the genus piagetiella are interesting from an ecological standpoint as they are found in the pouches of pelicans. unlike chewing lice, which live on the body surface of the host, p. titan lives in the oral cavity of white pelicans (pelecanus nocrotalus, l.). this ...

This study aims to investigate the effectiveness of cognitive strategy instruction on English reading comprehension of Iranian advanced students. A total of 60 participants took part in the present study. The participants (n=20) in one experimental group were provided with the cognitive training condition only, while the participants (n=20) in the other experimental group were exposed to both a...

Unlike geometry, spheres in topology have been seen as topological invariants, where their structures are defined spaces. Forgetting, the exact notion of and impossibility embedding one into other, homotopy relates how sphere i dimensions can wrap another n dimensions.