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An illustration of a human brain against “pink noise” static.
neuroscience

Brain’s ‘Background Noise’ May Hold Clues to Persistent Mysteries

By Elizabeth Landau
February 8, 2021
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By digging out signals hidden within the brain’s electrical chatter, scientists are getting new insights into sleep, aging and more.

2020 in Review

The Year in Biology

By John Rennie
December 23, 2020
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While the study of the SARS-CoV-2 virus was the most urgent priority, biologists also learned more about how brains process information, how to define individuality and why sleep deprivation kills.

Photo of green leafy plants in close-up.
Abstractions blog

Why Are Plants Green? To Reduce the Noise in Photosynthesis.

By Rodrigo Pérez Ortega
July 30, 2020
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Plants ignore the most energy-rich part of sunlight because stability matters more than efficiency, according to a new model of photosynthesis.

Illustration of a woman with “hands” behind her eyes and “eyes” in her hands, showing how the brain integrates its sense of the world with the actions to be taken in response.
neuroscience

‘Noise’ in the Brain Encodes Surprisingly Important Signals

By Jordana Cepelewicz
November 7, 2019
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Activity in the visual cortex and other sensory areas is dominated by signals about body movements, down to little tics and twitches. Scientists are now rethinking how they study and conceive of perception.

artificial intelligence

Where We See Shapes, AI Sees Textures

By Jordana Cepelewicz
July 1, 2019
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To researchers’ surprise, deep learning vision algorithms often fail at classifying images because they mostly take cues from textures, not shapes.

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