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Posts tagged with ‘nature’ (136)


Video of the Week: Great Bear Rainforest expedition cruise


Posted by Siobhan McClelland in Expeditions on Friday, January 17, 2014



It’s not often you experience spectacular scenery and wildlife with a famous Canadian painter.

This week’s video gives a sneak peek at what a handful of people may see this summer on the Great Bear Rainforest expedition cruise. On British Columbia’s coast, this 6.4 million hectare rainforest contains mountains, fjords and estuaries that many grizzlies, spirit bears, salmon-eating wolves and marine mammals call home. Two of the guides on this expedition will be Robert Bateman and his wife Birgit ...

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Deep freeze kills emerald ash borer


Posted by Kathleen Clark in Nature on Thursday, January 16, 2014



A D-shaped exit hole of an emerald ash borer and a woodpecker attack that killed a larva before emergence. (Photo: Courtesy of the U.S. Center for Invasive Species and Ecosystem Health.)

Tired of the cold weather? There might be a reason to root for more frigid temperatures.

A study from the United States Department of Agriculture's Forest Service and the Minnesota Department of Agriculture has found a potential upside to the plunging mercury: its fatal effect on the invasive emerald ash borer, which kill trees.

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Tracking the Arctic’s tiniest creatures reveals surprising insights into Canada’s polar region


Posted by Mark Anderson in The Polar Blog on Saturday, January 11, 2014



Wolf spider, Family Lycosidae, taken near Cambridge, Nunavut. (Photo: Christopher Buddle)

For biologist Christopher Buddle of Montreal’s McGill University, heaven is a patch of warm tundra on a bright summer day. “When conditions are suitable for insect activity it’s just a bonanza up there,” marvels Buddle, who just completed a three-year, 12-site survey of arthropods in Canada’s Arctic, Subarctic and northern boreal regions. “You have these 24-hour days where the small critters are doing their thing, and it’s extraordinary to see. Nothing matches the Arctic in terms of productivity on a spring or summer day.”

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Video of the Week: How Starfish Eat


Posted by Kathleen Clark in Nature on Friday, January 03, 2014



While some scientists are wondering why starfish are disintegrating in mass die-offs in waters off British Columbia's coast, others are trying to understand how to control this invasive species.

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Biochemicals may cause human-like reaction in plants


Posted by Joshua Rapp Learn in Nature on Sunday, December 15, 2013



Sonnet L’Abbé (left) and Susan Murch. (Photo: Paul Marck)

It sounds almost like the premise of a B-rated sci-fi movie from the 1970s: researchers injecting plant cells with Prozac, Ritalin and even methamphetamine in an effort to change plant behaviour.

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