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On TikTok there are exceptional “testimonials” like Nikola Tesla or Marie Curie delivering short science-related messages that have garnered millions of views. This is just one of many examples where AI-generated avatars are used to communicate science—a strategy that might also have its drawbacks.

The generation of images and animations through is a rapidly growing field, constantly improving in quality. Yet many , though realistic, still present minor flaws—glitches, delays, inconsistent facial expressions or lip-syncing—sometimes barely noticeable, but still easily picked up by a human observer.

Jasmin Baake, researcher at the Center for Advanced Internet Studies (CAIS), Bochum, Germany, and the other authors of a study in the Journal of Science Communication realized that these avatars could trigger a phenomenon known in as the “uncanny valley.”

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A note from Lawrence:

I’m excited to announce the third episode of our new series, What’s New in Science, co-hosted by Sabine Hossenfelder. Once again, Sabine and I each brought a few recent science stories to the table, and we took turns introducing them before diving into thoughtful discussions. It’s a format that continues to spark engaging exchanges, and based on the feedback we’ve received, it’s resonating well with listeners.

This time, we covered a wide range of intriguing topics. We began with the latest buzz from the Dark Energy Spectroscopic Instrument suggesting that dark energy might be changing over time. I remain skeptical, but the possibility alone is worth a closer look. We followed that with results from the Euclid space telescope, which has already identified nearly 500 strong gravitational lensing candidates—an impressive yield from just the early data.

Our minds are not hard-wired by age 18. They are changeable through our lives. Hear from people whose brains have changed to overcome disabilities.

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