The five most popular CNN.com stories during the last 24 hours, according to Newspulse.

BP stops, restarts 'top kill' effort: BP's much-anticipated attempt to cap an underwater gusher in the Gulf of Mexico estimated to be twice the size of the Exxon Valdez disaster, was suspended for 16 hours before it resumed Thursday afternoon.

North Korea warns it will meet war with war: North Korea reacted to a South Korean anti-submarine exercise early Thursday by saying it would meet "confrontation with confrontation" and war with "all-out war,"according to North Korea state-run media.

The internet reaches its limit: Within 18 months it is estimated that the number of new devices able to connect to the world wide web will plummet as we run out of "IP addresses" - the unique codes that provide access to the internet.

Apple dethrones Microsoft: Apple's market capitalization has edged past its longtime rival's as investors made official what consumers have long suggested: Microsoft is no longer the industry's alpha dog.

Pregnant at 47: Doctors say that these days, it's not too difficult to get pregnant in your late 40s or early 50s as long as you have someone else's eggs and at least $16,000 or so.