The science behind winter tires and how they work – Globe and Mail

The science behind winter tires and how they work – Globe and Mail

All-season tires are a bad compromise. On snow, ice or cold pavement, the stopping distance of a car equipped with winter tires can be 30 to 40 per cent shorter than one with all-seasons. Since the force of a crash increases as the square of impact speed, this could be the difference between life and … Continue reading

SciNews, Thursday, December 1, 2016

SciNews, Thursday, December 1, 2016

Youth duped by information online; dogs remember more than you think; fluoridation reduces cavities; nylon fibres flex like muscles; teen studied rocket nozzles; losing geologic information every day – just a few of the themes in today’s eclectic collection of SciNews.  Share these stories with your students and get them excited about science.