http://www.sciencemag.org Summaries of this week's top stories, from Science Magazine American Association for the Advancement of Science Stewart Wills (mailto:swills@aaas.org) Copyright 2009 American Association for the Advancement of Science 2009-07-09T11:21:22-05:00 en http://www.sciencemag.org/icons/banner/title.gif http://www.sciencemag.org http://www.sciencemag.org/cgi/content/full/325/5937/130?rss=1 Secretary of Energy Steven Chu has proposed a 10-year, $1.7 billion education program called RE-ENERGYSE to help the United States find the talent to fuel its clean-energy economy. But Congress may prefer to wait until next year.<br><br>Author: Jeffrey Mervis Jeffrey Mervis http://www.sciencemag.org/cgi/content/full/325/5937/131?rss=1 The final guidelines on research with human embryonic stem cells issued on Monday by the National Institutes of Health set out criteria for determining which ES cell lines can be used in federally funded experiments and give NIH discretion to approve old lines that don't meet stringent modern ethical requirements.<br><br>Author: Constance Holden Constance Holden http://www.sciencemag.org/cgi/content/full/325/5937/132?rss=1 Three surveys conducted this spring by the Pew Research Center offer some fresh insights into what both the U.S. public and scientists think about science and its impact on society.<br><br>Author: Jeffrey Mervis Jeffrey Mervis http://www.sciencemag.org/cgi/content/full/325/5937/133?rss=1 Highlights from <i>Science</i>'s online daily news site, <i>Science</i>NOW, this week include a way to guess a person's Social Security number, a fossil that may replace Ida as the "missing link," an average black hole, and a fossil that shows how the piranha got its teeth. http://www.sciencemag.org/cgi/content/full/325/5937/134?rss=1 Biochemist Robert Tjian, 59, took the helm of the Howard Hughes Medical Institute in April at a challenging time, after its endowment, which had stood at $17.5 billion last August, had been battered by the economic recession. On 25 June, Tjian spoke with <i>Science</i>; his comments have been edited for brevity and clarity.<br><br>Author: Jocelyn Kaiser Jocelyn Kaiser http://www.sciencemag.org/cgi/content/full/325/5937/135-a?rss=1 A prominent member of the science advisory board for Autism Speaks, the largest private funder of autism research, resigned last week citing his disagreement with efforts to study vaccines as a possible cause of autism.<br><br>Author: Erik Stokstad Erik Stokstad http://www.sciencemag.org/cgi/content/full/325/5937/135-b?rss=1 <i>Science</i>Insider this week reported on a third case of oseltamivir-resistant swine flu, "systemic workforce management problems" at the National Science Foundation, and a $50 million plan to bolster research capacity in Africa, among other stories. http://www.sciencemag.org/cgi/content/full/325/5937/136?rss=1 To reconstruct our ancestors, paleoartists weave art and science together in a sometimes uneasy marriage. The result is lifelike models that influence how both researchers and the public view ancient humans.<br><br>Author: Michael Balter Michael Balter http://www.sciencemag.org/cgi/content/full/325/5937/139?rss=1 Judging from the successful few whose work shapes our ideas of ancient humans (<a href="http://www.sciencemag.org/cgi/content/short/325/5937/136">see main text</a>), there's no standard career path, but hefty doses of both artistic talent and scientific knowledge are essential to become a paleoartist.<br><br>Author: Michael Balter Michael Balter http://www.sciencemag.org/cgi/content/full/325/5937/140?rss=1 If the novel H1N1 virus behaves like its ancestors, humans may have a rough road ahead, especially if takes hold on hog farms.<br><br>Author: Jon Cohen Jon Cohen http://www.sciencemag.org/cgi/content/full/325/5937/142?rss=1 Geneticists used to think that important DNA sequences always reject mutations. Now they are not so sure what sequence conservation really means.<br><br>Author: Don Monroe Don Monroe http://www.sciencemag.org/cgi/content/full/325/5937/144?rss=1 Long regarded as the source of antibodies, B cells are gaining new respect because some appear to fine-tune the overall immune response.<br><br>Author: Mitch Leslie Mitch Leslie