James P. Lantolf is George and Jane Greer Professor Emeritus of Language Acquisition and Applied Linguistics and former director of the Center for Advanced Language Proficiency Education and Research at the Pennsylvania State University, USA. He is currently Adjunct Professor of Applied Linguistics in the same academic unit at Xi’an Jiaotong University. He is founder of the Sociocultural Theory...

This article proposes a competitive-evolving-committee proactive secret sharing. Every participant in the system has opportunity to become member of holding committee and have sufficient anonymity. During life cycle serving as members, they only send one message protocol without excessive interaction, achieve receiver strong anonymity with capability-based encryption scheme different from most ...

Logan [1] in his book The Extended Mind developed the hypothesis that language, culture, technology and science can be treated as organisms that evolve and reproduce themselves. This idea is extended by making use of the notion of teleodynamics that Deacon [2] introduced and developed in his book Incomplete Nature to explain the nature of life, sentience, mind and a self that acts in its own in...

we review abscess management by ibn al-quff in the 12 century, described in his book al omdaa (arabic version). he explained in detail how an abscess presents, access for drainage, the proper preparation by the surgeon and patient for a procedure, and technical guidelines. it is considered advanced in ensuring the best results of managing this pathology. much of his advice is already in use, an...

Tabaristan (current Mazandaran), in northern Iran and the south of the Caspian Sea, is considered as one of the scientific and medical centers in both scientific and Islamic worlds. The emergence of numerous scholars in this area indicates the centrality of science in this amazing geography. One of the greatest men of this land is Abolhassan Ahmad bin Mohammad Tabari Taranji. Information about ...