The five most popular CNN.com stories during the last 24 hours, according to Newspulse.
Tylenol recall: The Food and Drug Administration is looking into reports of at least 775 serious side effects from drugs recalled by McNeil, a division of Johnson & Johnson, source says.
'I'm dealing with Congress here,' Obama says:¬†Video shows President Obama being heckled at a fundraiser as he talks about efforts to repeal "don't ask, don't tell."
BP's bottom line on 'top kill' - wait a day: Nearly four hours after BP's latest attempt to cap the runaway leak in the Gulf of Mexico got under way Wednesday afternoon, the oil giant's chief executive said he would not know for another 24 hours whether the procedure is working.
Apple topples Microsoft's throne: Apple's market capitalization edged past its longtime rival's as investors made official what consumers have long suggested -¬†Microsoft is no longer the industry's alpha dog.
Vienna tops world's best cities survey: Vienna, the Austrian capital renowned for its music and architecture, has the best quality of life of any city in the world, according to survey.