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A panoramic image of the cosmos shows hundreds of galaxies, including four blobs of light that are magnified and labeled with their corresponding redshifts.
astrophysics

Standard Model of Cosmology Survives a Telescope’s Findings

By Rebecca Boyle
January 20, 2023
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Reports that the James Webb Space Telescope killed the reigning cosmological model turn out to have been exaggerated. But astronomers still have much to learn from distant galaxies glimpsed by Webb.

illustration of four six-sided green dice covered in different numbers, with orange arrows connecting some of the dice
combinatorics

Mathematicians Roll Dice and Get Rock-Paper-Scissors

By Erica Klarreich
January 19, 2023
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Mathematicians have uncovered a surprising wealth of rock-paper-scissors-like patterns in randomly chosen dice.

graph theory

Finally, a Fast Algorithm for Shortest Paths on Negative Graphs

By Ben Brubaker
January 18, 2023
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Researchers can now find the shortest route through a network nearly as fast as theoretically possible, even when some steps can cancel out others.

Illustration of a mother holding an infant, with strands of DNA running between the bacteria inside them.
microbiome

Mobile Genes From the Mother Shape the Baby’s Microbiome

By Yasemin Saplakoglu
January 17, 2023
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Tiny genetic sequences in a mother’s bacteria seem to hop into the infant’s bacteria, perhaps ensuring a healthy microbiome later in life.

number theory

Probability and Number Theory Collide — in a Moment

By Leila Sloman
January 12, 2023
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Mathematicians are taking ideas developed to study random numbers and applying them to a broad range of categories.

Nikta Fakhri looks at a test tube.
Q&A

Starfish Whisperer Develops a Physical Language of Life

By Charlie Wood
January 11, 2023
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Nikta Fakhri is adapting and extending concepts from physics to describe how tiny biological components give rise to living organisms.

An African army ant queen and worker against a white background, emphasizing the huge difference in their sizes
aging

Ants Live 10 Times Longer by Altering Their Insulin Responses

By Viviane Callier
January 10, 2023
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Queen ants live far longer than genetically identical workers. Researchers are learning what their longevity secrets could mean for aging in other species.

Purple illustration of round qubits pointing to rows of blocks that progressively become more chaotic.
quantum computing

New Algorithm Closes Quantum Supremacy Window

By Ben Brubaker
January 9, 2023
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Random circuit sampling, a popular technique for showing the power of quantum computers, doesn’t scale up if errors go unchecked.

a light blue cloudy swirl against a black background (evoking ink diffusing through a liquid). The blue cloud is overlaid with a network of yellow lines and circular nodes.
machine learning

The Physics Principle That Inspired Modern AI Art

By Anil Ananthaswamy
January 5, 2023
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Diffusion models generate incredible images by learning to reverse the process that, among other things, causes ink to spread through water.


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