Anew study by Khoury and colleagues 1 reports that 10% of a representative cohort of grade 9 students in Ontario had tried electronic cigarettes (e-cigarettes). This finding is likely an underestimate of rates across Canada: a 2013 study found substantial interprovincial variation in e-cigarette initiation among youth, with rates in Quebec double those in Ontario.2 Khoury and colleagues found t...

We have selected a set of ten `golden oldies', diverse crystallography articles to illustrate important moments in the development our field science and which form landmark papers crystallography. They are mixture `science pull technology push'. For each choices, we firstly created new title that emphasizes how paper's importance worked out from today's perspective. Then describe core details i...

" Does the pretty-boy have any clue what he's getting himself into? " L'ward scoffed. D'zan chuckled and shook his head ruefully. " Doubt it. They have a long tradition of huggy-kissy weyrlingmasters at Fort. Remember, B'loren came from there. " It was noontime, and weyrling classes and drills had been dismissed for the lunch hour. The two old friends headed for the Weyrling Complex Hall and th...

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