Quanta
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![[:es]Astronomers Get Their Wish, and a Cosmic Crisis Gets Worse[:]](https://katedra.eus/app/uploads/2020/12/gaia.png)
[:es]Astronomers Get Their Wish, and a Cosmic Crisis Gets Worse[:]
We don’t know why the universe appears to be expanding faster than it should. New ultra-precise distance measurements have only intensified the problem.
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![[:es]The New History of the Milky Way[:]](https://katedra.eus/app/uploads/2020/12/Koppelman-Galaxy_1080_Lede.jpg)
[:es]The New History of the Milky Way[:]
Over the past two years, astronomers have rewritten the story of our galaxy.
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![[:es]How the Slowest Computer Programs Illuminate Math’s Fundamental Limits[:]](https://katedra.eus/app/uploads/2020/12/Beaver_2880x1042_Lede-2-scaled.jpg)
[:es]How the Slowest Computer Programs Illuminate Math’s Fundamental Limits[:]
The goal of the “busy beaver” game is to find the longest-running computer program. Its pursuit has surprising connections to some of the most profound questions and concepts in mathematics.
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![[:es]After Centuries, a Seemingly Simple Math Problem Gets an Exact Solution[:]](https://katedra.eus/app/uploads/2020/12/Goat-Problem_2600_Lede-scaled.jpg)
[:es]After Centuries, a Seemingly Simple Math Problem Gets an Exact Solution[:]
Mathematicians have long pondered the reach of a grazing goat tied to a fence, only finding approximate answers until now.
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![[:es]How Neutral Theory Altered Ideas About Biodiversity[:]](https://katedra.eus/app/uploads/2020/12/Neutrality_2880x1620_Lede-scaled.jpg)
[:es]How Neutral Theory Altered Ideas About Biodiversity[:]
The simple insight that most changes are random had a profound effect on genetics, evolution and ecology.
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![[:es]A New Theorem Maps Out the Limits of Quantum Physics[:]](https://katedra.eus/app/uploads/2020/12/Quantum-Observers_2880_Lede-scaled.jpg)
[:es]A New Theorem Maps Out the Limits of Quantum Physics[:]
The result highlights a fundamental tension: Either the rules of quantum mechanics don’t always apply, or at least one basic assumption about reality must be wrong.
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![[:es]New Fish Data Reveal How Evolutionary Bursts Create Species[:]](https://katedra.eus/app/uploads/2020/12/Fish_Morph_1920x1080_Lede.jpg)
[:es]New Fish Data Reveal How Evolutionary Bursts Create Species[:]
In three bursts of adaptive change, one species of cichlid fish in Lake Tanganyika gave rise to hundreds.
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![[:es]Did Viruses Create the Nucleus? The Answer May Be Near.[:]](https://katedra.eus/app/uploads/2020/11/VirionFactory_2880_Lede-scaled.jpg)
[:es]Did Viruses Create the Nucleus? The Answer May Be Near.[:]
An unorthodox symbiotic theory about the origin of eukaryotes’ defining characteristic may soon be put to the test.

![[:es]Contemplating the End of Physics[:]](https://katedra.eus/app/uploads/2020/11/Old-New-Physics_2880_Lede-scaled.jpg)