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The illustration shows ghostly hands partially obstructing a person’s sight and hearing.
neuroscience

To Pay Attention, the Brain Uses Filters, Not a Spotlight

By Jordana Cepelewicz
September 24, 2019
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A brain circuit that suppresses distracting sensory information holds important clues about attention and other cognitive processes.

Two competitors are racing to solve the multiplication problem 25 times 63 in two separate lanes of a running track. One competitor is using the standard multiplication algorithm while the other is using Karatsuba method.
Quantized Academy

On Your Mark, Get Set, Multiply

By Patrick Honner
September 23, 2019
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The way you learned to multiply works, but computers employ a faster algorithm.

A sandy beach at low tide dotted with ancient tree stumps.
geophysics

Artificial Intelligence Takes On Earthquake Prediction

By Ashley Smart
September 19, 2019
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After successfully predicting laboratory earthquakes, a team of geophysicists has applied a machine learning algorithm to quakes in the Pacific Northwest.

An illustration that shows a fanciful view of cells in terms of electrical circuitry.
synthetic biology

Math Reveals the Secrets of Cells’ Feedback Circuitry

By XiaoZhi Lim
September 18, 2019
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Maintaining perfect stability through negative feedback is a basic element of electrical circuitry, but it’s been a mystery how cells could do it — until now.

Abstractions blog

Computers and Humans ‘See’ Differently. Does It Matter?

By Kevin Hartnett
September 17, 2019
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In some ways, machine vision is superior to human vision. In other ways, it may never catch up.

3D illustration of a complex atomic structure.
Abstractions blog

Origin-of-Life Study Points to Chemical Chimeras, Not RNA

By Jordana Cepelewicz
September 16, 2019
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Origin-of-life researchers have usually studied the potential of pure starting materials, but messy mixtures of chemicals may kick-start life more effectively.

Thumbnail: stylized illustration of a supernova
astrophysics

Long-Lived Stellar Blast Kindles Hope of a Supernova We’ve Never Seen Before

By Robin George Andrews
September 12, 2019
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A giant star’s death throes may offer the first evidence of a pair-instability supernova, and a glimpse of the first stars in the universe.

An illustration of a chaotic scene of spheres representing quarks and gluons.
Abstractions blog

Physicists Finally Nail the Proton’s Size, and Hope Dies

By Natalie Wolchover
September 11, 2019
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A new measurement appears to have eliminated an anomaly that had captivated physicists for nearly a decade.

Cichlid fish of diverse colors and shapes swim together.
evolution

New Hybrid Species Remix Old Genes Creatively

By Jonathan Lambert
September 10, 2019
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Clues from fish diversity suggest that interbreeding between species could be a major mechanism of fast speciation.


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