We outline a dynamical dark energy scenario whose signatures may be simultaneously tested by astronomical observations and laboratory experiments. The dark energy is a field with slightly sub-gravitational couplings to matter, a logarithmic self-interaction potential with a scale tuned to ∼ 10 eV, as is usual in quintessence models, and an effective mass mφ influenced by the environmental energ...

We present a new tool and test procedure based on the use of the finite state emotional model described by the Plutchick "flower" designed to measure the ability of the human to recognize the emotion carried by the voice when the italian language is used. Using the no-sense sentences contained in the corpus EMOVO we have been able to that in natural conditions the human ability to recognize the...

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Apraxia is a symptom on the border between cognition and motor control. It is predominantly caused by left brain damage and frequently accompanied by aphasia. Theories of apraxia have been dominated by a model of the conversion of mental images into motor commands proposed more than 100 years ago by the German psychiatrist Hugo Liepmann and revived for modern cognitive neurology by Norman Gesch...

This month’s issue presents arguments on three longstanding ethical issues: prostitution, euthanasia and organ donation. It also addresses three issues perhaps more directly linked to daily practice across clinical care and research: resource allocation, consent, and, in an interesting pair of papers, how a clinician’s own experiences might affect their ethical judgement and therefore clinical ...

As the Nation moves into the 21st century, the reduction of juvenile crime, violence, and victimization constitutes one of the most crucial challenges of the new millennium. To meet that challenge, reliable information is essential. Juvenile Offenders and Victims: 1999 National Report offers a comprehensive overview of these pervasive problems and the response of the juvenile justice system. Th...

Apraxia is a symptom on the border between cognition and motor control. It is predominantly caused by left brain damage and frequently accompanied by aphasia. Theories of apraxia have been dominated by a model of the conversion of mental images into motor commands proposed more than 100 years ago by the German psychiatrist Hugo Liepmann and revived for modern cognitive neurology by Norman Gesch...

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As internists we like to think of ourselves as physicians with knowledge of disturbances of the milieu intérieur. Indeed, other specialities often call us for help when they are confronted with fluid and electrolyte disorders. The unrivalled number one of your electrolyte consults will undoubtedly be hyponatraemia. For example, hyponatraemia may arise in the postoperative period due to the comb...

We study some challenging presentations which arise as groups of deeciency zero. In four cases we settle niteness: we show that two presentations are for nite groups while two are for innnite groups. Thus we answer three explicit questions in the literature and we provide the rst published deeciency zero presentation for a group with soluble length seven. The tools we use are coset enumeration ...