TED: Är vi ensamma i universum? Vi är nära att ta reda på det

TED: Är vi ensamma i universum? Vi är nära att ta reda på det

Astrophysicist Lisa Kaltenegger explores the thrilling possibility of discovering life beyond Earth, highlighting how cutting-edge technology like the James Webb Space Telescope lets us analyze distant planets for signs of life in unprecedented detail.

Could examining these ”alien earths” uncover evidence of new life forms and transform our understanding of the cosmos? We may be closer than ever to finding out.

TED: Vi bygger en dystopi bara för att få folk att klicka på annonser

TED: Vi bygger en dystopi bara för att få folk att klicka på annonser

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We’re building an artificial intelligence-powered dystopia, one click at a time, says techno-sociologist Zeynep Tufekci.

In an eye-opening talk, she details how the same algorithms companies like Facebook, Google and Amazon use to get you to click on ads are also used to organize your access to political and social information. And the machines aren’t even the real threat. What we need to understand is how the powerful might use AI to control us — and what we can do in response.

TED: Varför är vi så dåliga på att berätta om goda nyheter?

TED: Varför är vi så dåliga på att berätta om goda nyheter?

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Why is good news so rare?

In a special broadcast from the TED stage, journalist Angus Hervey sheds light on some of the incredible progress humanity has made across environmental protection, public health and more in the last year, making the case that if we want to change the story of humanity this century, we have to start changing the stories we tell ourselves. ”When we only tell the stories of doom, we fail to see the stories of possibility,” says Hervey.