2009-05-06
A look at Larry O'Brien's troubles
A look at Larry O'Brien's troubles
For those interested in Ottawa politics, a chronology of how charges came to be laid against Mayor Larry O'Brien.
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Bendable Concrete Heals Itself -- Just Add Water
Bendable Concrete Heals Itself -- Just Add Water
Japanese researchers have developed a type of bendable concrete that is able to be bent into a U-shape without breaking. And when hairline cracks form under the strain, they heal themselves after a few days of light rain.