Electronic Ordering and ISBN-13 -- "How Will I Order Books in a 13-Digit World?"

Questions and issues about the conversion to 13-digit ISBN and ISSN revision in library systems

Ante el inminente cambio del tradicional ISBN de 10 dígitos al ISBN de 13 dígitos, que empezará a utilizarse a partir del 1 de enero de 2007, este artículo recoge algunos de los problemas que pueden surgir a partir de este cambio. Se presentan las soluciones (provisionales o definitivas) que ya han previsto algunos centros y redes bibliotecarias, como la Library of Congress, OCLC o el RLG en lo...

I-13: Blastocyst Culture and Freezing

It should now be beyond doubt that blastocyst culture results in better pregnancy rate (PR). This calls for fewer embryos to be transferred, and indeed blastocyst culture is of most value when the intention is to put back one embryo at a time. The PR with one top-grade blastocyst is 45-65% in different studies. If two top-grade blastocysts are transferred, the PR usually does not differ, but th...

How Books Will Become Machines

We shape our tools and they shape us in return. Trapped in an invisible technological loop, we underestimate the pervasive impact of the tools we use, ignorant of the fact that each technological transition can change the way we act, feel or think. Worse, our understanding of technological evolutionary dynamics is still in its infancy. We are missing the equivalent of a Darwinian Theory of Evol...

Gerd Gigerenzer , Gut Feelings : Short Cuts to Better Decision Making , Penguin Books , 2008 ( 1 st ed . 2007 ) ISBN - 13 : 978

Many birds provide parental care by following this rule: ‘Feed any small bird sitting in the nest in which you have laid your eggs.’ These birds do not need to recognize their own eggs and chicks in order to provide efficient care for their offspring. In an environment where the content of one’s nest is almost bound to be one’s own eggs and chicks, simple cognitive machinery that is less demand...

Panel 13 How Will Mega-Packages Change the Shape of Computing and Organizations?