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Sweat, heavy breathing, warm temperatures and lots of people — the gym is the perfect environment for bacteria to thrive in, which is why wiping equipment down is a normal part of gym etiquette. But does a quick wipe really eliminate all those germs? CBC's Marketplace swabbed equipment at several popular national gym chains to find out which surface harbours the most bacteria. With training and supplies from an accredited laboratory in Mississauga, Ont., Marketplace visited some of the largest for-profit gym chains: three…

Nun cho ga, the baby wooly mammoth whose extraordinarily preserved remains caused a sensation after they were dug up by a miner near Dawson City, Yukon, last year, could soon be heading to Ottawa — at least for a period.The rare specimen — believed to be about 30,000 to 35,000 years old — has been stored in a walk-in freezer in Dawson City since its discovery. Now, the plan is to send it to the Canadian Conservation Institute in Ottawa to learn more about it."We need to preserve her. We need to respect her, and that's in…

Christmas lights might not be the only thing lighting up these dark December nights, as a solar storm is expected to bring bright northern lights to the Prairies this weekend.Aurora borealis is considered among the greatest natural wonders and scientists say it starts with the sun."The sun is sort of spewing off protons and electrons as a plasma in all directions, all the time, we call that the solar wind," said Bill Archer, mission manager at the Canadian Space Agency. "The magnetic field of the Earth actually forces the…