Friday, June 24, 2022

By Exploring Virtual Worlds, AI Learns in New Ways

Math and Science News from Quanta Magazine
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MACHINE LEARNING | ALL TOPICS

 

By Exploring Virtual Worlds, AI Learns in New Ways

By ALLISON WHITTEN

Intelligent beings learn by interacting with the world. Artificial intelligence researchers have adopted a similar strategy to teach their virtual agents new skills.

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EXPLAINERS

 

The Spooky Quantum Phenomenon You've Never Heard Of

By KATIE McCORMICK

Contextuality isn't as famous as nonlocality, but researchers think it may be what gives quantum computers an advantage over their classical cousins.

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Related: 
How Bell's Theorem Proved
'Spooky Action at a Distance' Is Real

by Ben Brubaker (2021)

Q&A

 

An Immunologist Fights Covid with Tweets and a Nasal Spray

By YASEMIN SAPLAKOGLU

On Twitter, immunologists like Akiko Iwasaki are educating the public in real time about developments in the pandemic, including the potential of nasal spray vaccines.

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Related: 
'Trained Immunity' Offers Hope
in Fight Against Coronavirus

by Esther Landhuis (2020)

GRAPH THEORY

 

Mathematical Connect-the-Dots Reveals How Structure Emerges

By LEILA SLOMAN

A new proof identifies precisely how large a mathematical graph must be before it contains a regular substructure.

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Related: 
Surfaces Beyond Imagination Are
Discovered After Decades-Long Search

by Leila Sloman

QUANTA SCIENCE PODCAST

 

This Animal's Behavior Is Mechanically Programmed

Podcast hosted by SUSAN VALOT;
Story by JORDANA CEPELEWICZ

Biomechanical interactions, rather than neurons, control the movements of one of the simplest animals. The discovery offers a glimpse into how animal behavior worked before neurons evolved.

Listen to the podcast

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Around the Web

When Viruses Get Worse
Viruses often get milder over time, but that's far from always the case. For The New York Times, Carl Zimmer considers the deadliest vertebrate virus, myxoma, which in the 1990s evolved to become more virulent among the rabbit populations it ravaged. The uncertainty of virus evolution is relevant to the COVID-19 pandemic. Virologists are trying to better understand this by mapping out the "fitness landscape" of all possible mutations of SARS-CoV-2, Carrie Arnold reported for Quanta in January.

Physicists Spot Strong Signs
Physicists think they have seen the first convincing evidence for the "tetraneutron," a short-lived particle composed of four neutrons, Emily Conover reports for Science News. Studying this exotic particle could help us learn more about nuclear forces. The strong force binds neutrons together but also keeps individual neutrons together — until the weak force eventually wins and the neutron decays. In 2018 Natalie Wolchover wrote for Quanta about what we can learn from studying neutron lifetimes.
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