Science, Tech & Innovation News

CT scans and cancer risk: What you need to know

April 19, 2025 | Bronwyn Thompson
This week a study set off alarm bells, estimating that the overuse of computed tomography – or CT – examinations could result in five per cent of new cancers disagnoses annually. Since 2007, the use of the imaging technology has risen 30% in the US.

Retro-reflective safety device puts a radar target on the backs of bikes

April 17, 2025 | Ben Coxworth
While in-vehicle collision avoidance systems may be good at detecting big targets like automobiles, they're not as adept at detecting bicycles. Radian's Wingman was designed to address that problem, by boosting bikes' radar and LiDAR visibility.

North America is sinking down into the Earth’s mantle

April 19, 2025 | Jay Kakade
A subtle yet significant phenomenon is occurring beneath the North American continent; its ancient bedrock is slowly dripping into the Earth’s mantle, creating a funnel-like structure concentrated over the Midwest of the United States.

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