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RALEIGH, N.C. Does writing about climate change or childhood vaccinations necessarily mean you’ve got an agenda? That’s one of the questions tackled at last week’s ScienceOnline 2012 meeting, a gathering of some 450 scientists, bloggers, scientist-bloggers, journalists and other communicators on the campus of North Carolina State University.

A new prototype device allows the visually impaired to more easily walk the streets using sonar-like technology to create an impromptu spatial picture. Blind and visually impaired individuals may soon be walking easier with “virtual canes.” A new device developed by a team affiliated with Israel's Hebrew University allows users to detect all objects within 10 meters for safe navigation. The cane uses sonar-like technology, turning users into virtual batmen and batwomen