The five most popular stories on CNN.com in the past 24 hours, according to NewsPulse.
Asteroids narrowly miss Earth: Two small asteroids passed within the moon's distance from the Earth about 12 hours apart on Wednesday, NASA confirmed.
Google unveils Google Instant search: The search giant introduced Google Instant, which will give users suggested results before they're even done typing.
Threat found in airplane lavatory: Authorities on Wednesday were looking for the person who left a message on a plane lavatory mirror indicating a bomb was on board.
Piers Morgan to replace Larry King: British TV host Piers Morgan will take over Larry King's prime-time hour with "a candid, in-depth newsmaker interview program" starting in January.
Giant rats sniff out land mines: Niko Mushi hated rats, as did most people in his village near Tanzania's Mt. Kilimanjaro - until he learned the critters had a nose for land mines.