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Long the industry standard, lithium-ion batteries come with considerable drawbacks that limit their widescale adoption as the grid-energy storage medium of choice. THE CANADIAN PRESS/Jeff McIntosh

How zinc-ion batteries may solve our renewable energy storage problem

Lithium-ion batteries are holding back the full-scale decarbonization of Canada’s energy grid. Zinc-ion batteries may be the solution.
Syrian refugee family Mohammad Al Mnajer and wife Fouzia Al Hashish sit with their three daughters Judy, second left, Jaidaa, far right, and Baylasan as they eat their after school snack at their home in Mississauga, Ont., in December 2018. THE CANADIAN PRESS/Frank Gunn

Immigrant children’s health declines rapidly after arrival in Canada

Research shows that many immigrants are healthier than Canadians when they arrive in the country. The longer they stay, the more their health declines.
While there’s evidence for the efficacy of some supplements as potential treatments for depression, there’s none for others, and some have been found to be ineffective. Михал Орела/Flickr

Health Check: five supplements that may help with depression

Over two-thirds of Australians are thought to use complementary medicines ranging from vitamin and mineral supplements to herbal to aromatherapy and homeopathic products. Mental health concerns are one…
Unfortunately, nothing really works – or works that well – to prevent or treat colds. Jacob Spencer

Health Check: can you treat the common cold?

With symptoms including a runny nose, sore throat, sneezing, cough, headaches and fever, the common cold can leave you feeling rotten for up to two weeks. As the name suggests, they’re annoyingly common…
Oysters can still play an important role in romance, even though they aren’t an aphrodisiac. Stephen Coles

Monday’s medical myth: eating oysters makes you randy

The stuff of romance novels or a secret tool to give you a boost in the bedroom? We start the year by examining the truth about oysters. Holly gazed around in awe. Rory had brought her to a tiny waterfront…

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