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FLUID DYNAMICS

 

An Unexpected Twist Lights Up the Secrets of Turbulence

By DAVID H. FREEDMAN

Having solved a central mystery about the “twirliness” of tornadoes and other types of vortices, William Irvine has set his sights on turbulence, the white whale of classical physics.

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EVOLUTION

 

By Losing Genes, Life Often Evolved More Complexity

By VIVIANE CALLIER

Recent major surveys show that reductions in genomic complexity — including the loss of key genes — have successfully shaped the evolution of life throughout history.

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ABSTRACTIONS BLOG

 

Mathematicians Report New Discovery About the Dodecahedron

By ERICA KLARREICH

Three mathematicians have resolved a fundamental question about straight paths on the 12-sided Platonic solid.

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Q&A
 

Conducting the Mathematical Orchestra From the Middle

By RACHEL CROWELL

Emily Riehl is rewriting the foundations of higher category theory while also working to make mathematics more inclusive.

Read the interview | Video: Category Theory | Video: Math and Viola

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ABSTRACTIONS BLOG(2019)

 

A Black Hole So Big It ‘Should Not Exist’

By NATALIE WOLCHOVER

Astronomers have detected a black hole with a mass that was once thought impossible. Last August, we explained how the then-rumored signal changes our understanding of how black holes form.

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Further Reading

FLUID DYNAMICS

 

The Grand Unified Theory of Rogue Waves

By CHARLIE WOOD

Rogue waves have sunk supercarriers and claimed hundreds of lives. A new theory of rogue waves may give ship captains a warning that they’re near.

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MOLECULAR BIOLOGY(2017)

 

Shrinking Bat DNA and Elastic Genomes

By ARIEL BLEICHER

Research into the small genome of the common brown bat unearthed a surprising truth: In mammalian evolution, DNA grows and shrinks with amazing speed. 

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MULTIMEDIA

 

What Is the Geometry of the Universe?

Article by ERICA KLARREICH;
Graphics by LUCY READING-IKKANDA

In our mind’s eye, the universe seems to go on forever. But using geometry we can explore a variety of three-dimensional shapes that offer alternatives to “ordinary” infinite space.

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FOUNDATIONS OF MATHEMATICS(2019)

 

With Category Theory, Mathematics Escapes From Equality

By KEVIN HARTNETT

Two monumental works have led many mathematicians to avoid the equal sign. Their goal: Rebuild the foundations of the discipline upon the looser relationship of “equivalence.”

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