The five most-read posts on Scope this week were:
Hit the brakes on health-care bill, say two top Dem pollsters: Patrick Caddell and Douglas Schoen, pollsters for the last two Democratic U.S. Presidents, advise party leaders to drop their current approach to pass the Senate-approved health-care reform bill in a Washington Post commentary.
Ancient crocodile mummies scanned at Stanford: A pair of Greco-Roman crocodile mummies belonging to the Phoebe A. Hearst Museum at UC Berkeley are scanned at Stanford. Preliminary CT images of one of the crocodiles are available here.
Fear of having to switch stem-cell workhorses midstream: A discussion about the potential problems facing U.S. researchers if several embryonic stem-cell lines aren't successfully re-registered with the National Institute of Health.
Israel aims to lure back scientists, reverse "brain drain": The Israeli government takes a step toward reversing the trend of academic professionals leaving the country to work abroad.
Why our brains may not like surprises: Monitoring brain activity with functional magnetic resonance imaging, German researchers show that people's visual centers wheeled into much higher levels of activity when patterns of motion they were watching shifted from predictable to unpredictable.
The Grand Roundup is posted every Saturday to recap Scope's most popular stories.