''Bubbles rising in a pot of boiling water generate turbulence in their wake, but characterizing this fluid flow has been hindered by the opacity of bubble-filled water. A new technique using magnetic resonance imaging (MRI) can directly map the velocity ...'
''Interventional medical devices based on thermally responsive shape memory polymer (SMP) are under development to treat stroke victims. The goals of these catheter-delivered devices include re-establishing blood flow in occluded arteries and preventing ...'
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