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Researchers at the University of Washington have developed a new contactless artificial intelligence (AI) tool to monitor at-risk patients for cardiac arrest, even when they're asleep.

Alexa can handle plenty of queries, but scientists think that the device could soon have the power to detect heart attacks. We know it sounds a tad weird because Alexa isn't a health tracking device. But, the researchers have developed a tool that alerts Alexa if you are having a cardiac arrest.

An experimental device made from layered filter paper is helping Rice University bioengineers study calcifying heart diseases. The filter paper is structured in a way that mimics the layering of aortic heart valves, recreating the means by which cells spread through cardiac tissue in a laboratory setting. It may not look much like a heart valve, but in practice it simulates the proliferation process in the same way.