University of Toronto

This illustration shows a reconstruction of what the Firefly Galaxy looked like about 600 million years after the Big Bang without the stretching and distortion caused by gravitational lensing. It is based on images and data from the web. Credit: ASA, ESA, CSA, Ralf Crawford (STScI), Lamiya Mowla (Wellesley College), Guillaume Desprez (Saint Mary's University)

Webb Telescope Discovers Milky Way's Ancient Twin Twinkling from Cosmic Dawn

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The "Firefly" galaxy, discovered by the James Webb Space Telescope, existed just 600 million years after the Big Bang—with a mass similar to the young Milky Way. Gravitational lensing enabled a seamless observation
machine learning. Illustration: depositphotos.com

 When can you trust an artificial intelligence model?

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More accurate uncertainty estimates may help users decide when and how to use machine learning models in the real world
The lower part of the Wonderwork Cave in South Africa that was excavated revealed the remains of bonfires that were a year old. Photo: University of Toronto and the Hebrew University

Evidence of the use of fire from a million years ago

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Light switches the action of the transcription factor AP-1 (blue-green) in living cells through the inhibitor (red-yellow) modified by a light-sensitive chemical adapter. Credit: Albert Ludwig University Freiburg

A new method for controlling proteins

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