Cells of adult mammals can be converted (reprogrammed) to new cells. In one approach, adult cells are converted to pluripotent stem cells, followed by differentiation to regenerate new cell types. Alternatively, adult cells may be directly converted into other mature cells or progenitors. We discuss and compare these two approaches with particular emphasis on the latter and its relevance for re...

The ability to comprehend and produce phrasal verbs, as lexical chunks or groups of words which are commonly found together, is an important part of language learning. This study investigates the effect of ‘conceptual metaphor awareness’, as a newly developed technique in Cognitive Linguistics, on learning phrasal verbs by Iranian intermediate EFL learners. To meet this objective, two intact ho...