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05.19.2009 6:18 pm

Scientists develop tool to gauge bad breath

By Kim McGuire
St. Louis Post-Dispatch

Know someone whose breath could peel the paint off a wall?

Then consider the OkaytoKiss - a device that gauges bad breath that was recently invented by scientists at Tel Aviv University.

The pocket-sized breath test measures malodorous bacteria in your mouth.…

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02.24.2009 11:31 am

“Sprites” behind UFO sightings?

By Kim McGuire
St. Louis Post-Dispatch
A "sprite" flashing above a distant thunderstorm. Photo by ILAN Science Team

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Scientists at Tel Aviv University have discovered a natural phenomenon that causes mysterious flashes of light to dance across the sky and believe they may explain some UFO sightings.

Called “sprites”, these flashes of light are caused when lightning excites the…

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