Catálogo de publicaciones - revistas

<jats:p>A new effort to nail down the risks of either using or doing without key medications during pregnancy is being launched this week with $12.5 million from two U.S. agencies.</jats:p>

<jats:p>Physicists have been debating the formula for the momentum of light zipping through a transparent material ever since two different formulas were proposed more than 100 years ago. Now a theorist says both formulas are correct, but they denote different things and apply in different contexts.</jats:p>

<jats:p> Authors of the latest revision of psychiatry's <jats:italic>Diagnostic and Statistical Manual of Mental Disorders</jats:italic> ( <jats:italic>DSM-V</jats:italic> ) are debating whether the relationship between anxiety and depression is so close that they should be subsumed into a supercategory of human hopelessness, fear, and existential angst. </jats:p>

<jats:p>The U.S. Department of Energy has downsized a proposal to train more scientists and engineers to work in a low-carbon economy. The president's 2011 budget request contains a slimmed-down RE-ENERGYSE, with a price tag of $50 million—$35 million for higher education and $15 million for technical training and precollege outreach.</jats:p>

<jats:p> <jats:italic>Science</jats:italic> Insider reported this week that the U.S. National Institutes of Health has widened its definition of what constitutes a human embryonic stem cell to keep up with what's happening in the lab and that the new definition would include lines derived from embryos before the blastocyst stage, among other stories. </jats:p>

<jats:p>A symposium organized at the last minute at the annual meeting of the American Association for the Advancement of Science by two of the world's most prominent scientific organizations addressed recent attacks on an increasingly beleaguered climate science community.</jats:p>