Friday, January 13, 2023

Ants Live Longer by Altering Their Insulin Responses

Math and Science News from Quanta Magazine
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AGING | ALL TOPICS

 

Ants Live 10 Times Longer by Altering Their Insulin Responses

By VIVIANE CALLIER

Queen ants live far longer than genetically identical workers. Researchers are learning what their longevity secrets could mean for aging in other species.

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QUANTUM COMPUTING

 

New Algorithm Closes Quantum Supremacy Window

By BEN BRUBAKER

Random circuit sampling, a technique for showing the power of quantum computers, doesn't scale up if errors go unchecked.

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Related: 
Quantum Algorithms Struggle
Against Old Foe: Clever Computers

By Ariel Bleicher (2018)

NUMBER THEORY

 

Probability and Number Theory Collide — in a Moment

By LEILA SLOMAN

Mathematicians are taking ideas developed to study random numbers and applying them to a broad range of categories.

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Related: 
Mathematicians Crack a Simple
but Stubborn Class of Equations

By Jordana Cepelewicz (2022)

Q&A

 

Starfish Whisperer Develops a Physical Language of Life

By CHARLIE WOOD

Nikta Fakhri is adapting and extending concepts from physics to describe how tiny biological components give rise to living organisms.

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Around the Web

Star Material
By observing the oscillations of neutron stars that have merged, astronomers could determine whether their interior is squishy or solid, writes Paul Lasky for Nature. One mystery is whether neutron stars contain quark matter — a squishy goo that compresses under gravity. In 2021, Jonathan O'Callaghan reported for Quanta that neutron stars of different masses were the same size, which implies that they do not contain quark matter.


Young on the Inside 
Scientists are working on drugs that fight aging by killing decrepit cells that sabotage tissues, writes Amber Dance for Knowable Magazine. When old cells become "senescent," they stop dividing and secrete molecules that cause inflammation. Steven Strogatz spoke with researcher Judith Campisi about senescence and aging for Quanta's podcast "The Joy of Why" in July.
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