Since the time of Laud Humphreys’ Tearoom Trade and his investigation of “covert deviants,” homosexuality has achieved both public and scientific visibility. Once considered by scientists to be a legal, moral, and mental abnormality, homosexuality is currently perceived by many scholars and youth as merely statistically deviant. This is not to deny that some portion of the US population still b...

This article surveys current answers to the factual question posed in the title and reviews the kinds of information that are needed to make these answers more precise. Various factors affecting diversity are also reviewed. These include the structure of food webs, the relative abundance of species, the number of species and of individuals in different categories of body size, along with other ...

Over recent decades, special educational needs (SEN) policy and practice in the UK have been flux as a succession of governments vacillates with competing social, political economic agendas. The simultaneous pursuit standards, inclusion equity has created fragmented system, well cognitive ethical dilemmas for schools. Moreover, divisive ‘corporation’ lucrative SEN industry established, contribu...