I really can’t quite remember when I first corresponded with Rudi Schmid, Department of Botany, University of California, Berkeley. He is the kind of pen pal who exemplifies the best of the communal world of science facilitated internationally by journal literature and informal correspondence. Some time ago he surprised me with a delightful study comparing postal services at the turn of the cen...

E. R. Mucciolo,1 A. H. Castro Neto,2 and C. H. Lewenkopf3,4 Department of Physics, University of Central Florida, P.O. Box 162385, Orlando, Florida 32816, USA Department of Physics, Boston University, 590 Commonwealth Avenue, Boston, Massachusetts 02215, USA Departamento de Fı́sica Teórica, Universidade do Estado do Rio de Janeiro, 20550-900 Rio de Janeiro, Brazil Laboratório Nacional de Luz Sı́n...

a r t i c l e i n f o It is not uncommon that researchers face difficulties when performing meaningful cross-study comparisons for research. Research associated with the distance learning realm can be even more difficult to use as there are different environments with a variety of characteristics. We implemented a mixed-method analysis of research articles to find out how they define the learni...

Sergio O. Lourenço,1* Elisabete Barbarino,1 Joel C. De-Paula,2 Luis Otávio da S. Pereira4 and Ursula M. Lanfer Marquez3 1Departamento de Biologia Marinha, Universidade Federal Fluminense, Caixa Postal 100644, CEP 24.001-970, Niterói, RJ, 2Departamento de Biologia Animal e Vegetal, Instituto de Biologia, Universidade do Estado do Rio de Janeiro, CEP 20.550-013, Rio de Janeiro, RJ, 3Departamento ...

R. Santoprete, 2 P. Kratzer, M. Scheffler, R. B. Capaz, and Belita Koiller Instituto de F́ısica, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941-972 Rio de Janeiro, Brazil Laboratoire de Physique des Interfaces et des Couches Minces, CNRS-Ecole Polytechnique, 91128 Palaiseau cedex, France Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany (D...