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Archive for September, 2009

Bird migration: why do they do it?

By ⋅ September 21, 2009 ⋅ Post a comment

CBC.CA September 21, 2009 by Sharon Oosthoek Bird migration looks like a bad idea at first glance — all that energy needed to fly thousands of kilometres, all those predators along the way and the promise of doing it all over again just a few months later. But of course Mother Nature knows exactly what [...]

Predatory wasp gives early warning of beetle infestation

By ⋅ September 19, 2009 ⋅ Post a comment

CBC.CA September 19, 2009 By Sharon Oosthoek A centimetre-long wasp is poised to become a lead investigator of potential infestations by emerald ash borers, a beetle that is destroying swaths of trees across eastern North America. Researchers at Ontario’s University of Guelph say Cerceris fumipennis — a wasp native to the region — can determine [...]

Alzheimer Society of Ontario – Meet our reseachers: Ekaterina Rogaeva

By ⋅ September 1, 2009 ⋅ Post a comment

Alzheimer Society of Ontario website September 2009 Meet our researchers: Ekaterina Rogaeva The possibilities for human genetic variation surpass 10 million, yet it’s Dr. Ekaterina Rogaeva’s job to track down the ones that boost our risk of Alzheimer’s disease. “Our main task as geneticists is to ask, ‘Is it a guilty or innocent variation?’ says [...]

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