Image copyrightAilbhe KavanaghImage caption Whales are having to use more energy to communicate

There is a rising din in the oceans - and whales are having to struggle to compete with it.

"They're spending more time or energy trying to communicate… by essentially screaming at each other - what we would have to d

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Image copyrightGetty ImagesImage caption Many law-enforcement agencies in the US use Clearview AI's facial-recognition technology

Clearview AI, a start-up with a database of more than three billion photographs from Facebook, YouTube and Twitter, has been hacked.

The attack allowed hackers to gain access to its

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Image copyrightSidewalk LabsImage caption An image from Sidewalk Labs's plans for Toronto

The "appropriateness" of Google's sister company's plan for a "digital city" in Toronto has been questioned.

A panel set up to scrutinise Sidewalk Labs's plan has asked it to explain what the benefits would be for citizens

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Drone food launch 'may hit snags'
The Irish Aviation Authority says that Manna Aero may not get permission to launch a full food drone delivery service in Dublin.

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Image copyrightGetty Images

YouTube is not a "public forum" that must guarantee users' rights to free speech, a US court has ruled.

The case involved right-wing channel PragerU, which argued YouTube was infringing its rights by "censoring" its conservative views.

But judges decided that the US constitution's First Amendment did not apply to YouTube,

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Tech review: Samsung Galaxy Flip Z
When I first saw Samsung's new Galaxy Flip Z, I had doubts. Many doubts.

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