Amazon launches virtual assistant speaker to public

Amazon said Tuesday its Echo personal assistant speaker aimed at integrating with smart home devices was on sale to the public after seven months of tests on an invitation-only basis.

Is social media good or bad for social unity?

We tend to talk about social media in sweeping terms: It's either the death knell for democracy or its savior. It's a tool to fight authoritarianism or a weapon to spread strategic misinformation. It polarizes us or pulls ...

Revolutionary tool will methodically track ocean populations

Oceanographer Chuck Greene envisions a day when he will be able to observe the ocean the way a meteorologist observes the weather -- with continuous streams of data that allow him to see changes as they happen and predict ...

Echo chambers persist in climate politics, research shows

New research from the University of Maryland (UMD) finds that contentious climate politics continue to be influenced by the diffusion of scientific information inside "echo chambers"—social network structures in which individuals ...

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