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This company wants to cool the planet one balloon at a time. Some scientists aren’t buying it

What On Earth26:55Can we cool Earth by blocking the sun’s rays? And should we?Luke Iseman has a plan to cool the planet, inspired by...

Data shows many Halifax lakes have high salt levels

Halifax is exploring ways to limit the salt ending up in the region's waterways, after new data showed high levels of salinization in more than a...

1st case of avian flu in Canada confirmed. Health Canada says there are vaccines

Canada's public health agency has confirmed the first case of avian influenza in the country in a B.C. teenager who is in critical condition.In...

Contest invites teams to design a ‘generation starship’ for a 250-year journey

A public contest has opened to design a so-called generation spacecraft that could take humans to distant planets beyond our solar system. This kind...

Is bilingualism good for your brain? Montreal researchers are seeing tangible results

Noah Sweeney started learning French the moment he was signed up for hockey and baseball in Quebec City as a five-year-old anglophone.Nearly 18 years...

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