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Sajeev John, a professor and scientist who developed a way to confine and control light, similar to the way electrons are controlled in electronics, has been awarded Canada's top science prize.

John was named this year's recipient of the $1-million Gerhard Herzberg Canada Gold Medal — the highest honour given out by the Natural Sciences and Engineering Research Council of Canada (NSERC) — on Wednesday.

The medal is awarded annually for "sustained excellence" and "overall influence" of research conducted in Canada.

"Thanks to his discoveries, it may be possible to process information optically rather than electronically, enabling a supercomputing technology more stable and scalable than quantum computers," said a statement from NSERC.

The technique is now being used for non-invasive laser surgeries and the development of a thin solar cell "coating" for buildings, cars and even clothing.

More on the science: 


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Some pharmacists working in Canada's top drugstores are recommending homeopathic products to consumers, even though, experts say, these products are essentially sugar water or sugar pills with no scientific evidence they can do what they claim, a CBC Marketplace investigation has found.

Host Asha Tomlinson and Marketplace producers spoke with 10 pharmacists at four major drugstore chains, chosen at random, in the Toronto area, including Rexall, Shoppers Drug Mart, Walmart and Metro, and documented what they heard on hidden camera.

Marketplace journalists approached pharmacists with a children's homeopathic product that claims it's for cough, runny nose, congestion, aches, pains and fever. Each pharmacist was asked if they would recommend it for a three-year-old child with cough and cold symptoms.

Six out of 10 did recommend the homeopathic remedy and indicated it would help provide symptom relief. 

"I think it's really, really important to emphasize that the whole idea behind homeopathy is scientifically absurd," said Timothy Caulfield, Canada Research Chair in Health Law and Policy at the University of Alberta. Unlike vitamins and supplements, there is no debate in the scientific literature about homeopathic remedies, Caulfield says. "Homeopathy is [an] over billion-dollar industry, selling sugar water."

"It's pseudoscience at its worst."

The fact that drug stores even sell this garbage to begin with is absurd.

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