The bill passed the house, but the vote tally comes up short of what'll be needed to override President Bush's promised veto.
The measure is identical to one Bush nixed last year. And he promises another veto of a measure that came it at number-three on the Democrats' to-do list once they took control of Congress.
Scientists consider research on cells from human embryos to be the most promising approach to finding potential treatments for everything from cancers to Alzheimer's. But the White House opposes what it calls using "taxpayer dollars to support and encourage the destruction of human life for research."
Thursday's vote was 253 to 174, which is short of the two-thirds margin needed to overturn a presidential veto.
(Copyright 2007 by The Associated Press. All Rights Reserved.)