Although tropical forests cover only 6% of Earth's arable surface, they account for nearly 50% of all known species (National Research Council, 1992). Despite this diversity, these systems are increasingly threatened, as exemplified by a recent Food and Agriculture Organization report (FAa, 1999) which indicates that tropical countries are losing 127,300 km2 of forest annually; this does not co...

This exchange represents a follow-up to an article on the effects of state high school exit examinations that previously appeared in this journal (Warren, Grodsky, & Kalogrides 2009). That 2009 was article featured prominently in a report by the National Research Council (NRC) that evaluated the efficacy of test-based accountability systems. Hanushek (2012) was highly critical of the NRC’s inte...

Most highly pathogenic avian influenza viruses (AIV) emerge after field passage of non-pathogenic AIVs in birds. The outbreak of low-pathogenic H7N1 avian influenza virus in Italy during 1999-2000 followed by outbreak of highly pathogenic H7N1 avian influenza virus is one example in this regard. This experiment has been designed to investigate the effect of pre-infection of birds with LPAI on s...

We report an experiment which involves teaching statistics at compulsory school in Italy (145 primary school teachers and 2130 pupils, 6-10 years old, living in six Italian regions from north to south, giving a total of 132 primary classes were involved) where we evaluate the different efficiency of two different methods of teaching: by Objectives or by Concepts. In this experiment the fact tha...

Faculty 2005: C. ALLEGRA (Rome, Italy); G. M. ANDREOZZI (Padua, Italy); P. L. ANTIGNANI (Rome, Italy); E. AROSIO (Verona, Italy); G. BREVETTI (Naples, Italy); M. COSPITE (Palermo, Italy); R. DEL GUERCIO (Naples, Italy); G. P. DERIU (Padua, Italy); C. DZSINICH (Budapest, Hungary); E. HUSSEIN (Cairo, Egypt); J. FERNANDES E FERNANDES (Lisboa, Portugal); S. FORCONI (Siena, Italy); R. MARTINI (Padua...

PAOLO MELONI, Università di Cagliari, Italy ALESSANDRO CAPOTONDI, Università di Bologna, Italy GIANFRANCO DERIU, Università di Cagliari, Italy and T3LAB, Italy MICHELE BRIAN, T3LAB, Italy FRANCESCO CONTI, Università di Bologna, Italy and ETH Zurich, Switzerland DAVIDE ROSSI, Università di Bologna, Italy LUIGI RAFFO, Università di Cagliari, Italy LUCA BENINI, Università di Bologna, Italy and ETH...

most highly pathogenic avian influenza viruses (aiv) emerge after field passage of non-pathogenic aivs in birds. the outbreak of low-pathogenic h7n1 avian influenza virus in italy during 1999-2000 followed by outbreak of highly pathogenic h7n1 avian influenza virus is one example in this regard. this experiment has been designed to investigate the effect of pre-infection of birds with lpai on s...

1National Institute for Infectious Diseases L. Spallanzani, IRCCS, Rome, Italy; 2Nadir Onlus, Rome, Italy; 3University of Tor Vergata, Rome, Italy; 4D. Cotugno Hospital, Naples, Italy; 5San Paolo Hospital, University of Milan, Milan, Italy; 6San Martino Hospital, Genova, Italy; 7University of Milan, Milan, Italy; 8S.M. Annunziata Hospital, Florence, Italy; 9University of Modena and Reggio Emili...