Handhelds help turn kids into marine biologists

Hawaiian fourth-graders use wireless devices to collect data on humpback whales during project with federal oceanic agency. Photos: Student whale watchers with wireless

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Twitter flips order of some tweets, users flip out

Changes to Twitter's timeline could make the social network more appetizing to some -- and confusing to others. Meanwhile, LG teases an "always-on" screen for the G5 phone.

by Bridget Carey