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physics

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BICEP2 graphic.
cosmology

‘Big Bang Signal’ Could All Be Dust

By Natalie Wolchover
September 21, 2014
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Cosmic dust in the high latitudes of the Milky Way could account for the entire swirl pattern that had been presented as proof of a leading Big Bang theory, according to a new data analysis from the Planck satellite.

Blanco telescope.
Q&A

Finding Dark Energy in the Details

By Natalie Wolchover
September 18, 2014
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The astrophysicist Joshua Frieman seeks to pinpoint the mysterious substance driving the accelerating expansion of the universe.

particle physics

Quark Quartet Fuels Quantum Feud

By Natalie Wolchover
August 27, 2014
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Newly discovered particles are forcing physicists to extend their simple picture of subatomic interactions or replace it with a more nuanced understanding.

theoretical physics

At Multiverse Impasse, a New Theory of Scale

By Natalie Wolchover
August 18, 2014
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Physicists have begun to explore the idea that mass and length may not be fundamental properties of nature. The hypothesis could help to avoid the conclusion that our world is just a weird bubble in an endlessly foaming multiverse.

2014 Fields Medal and Nevanlinna Prize

In Noisy Equations, One Who Heard Music

By Natalie Wolchover
August 12, 2014
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Martin Hairer was named a 2014 Fields medalist for an epic masterpiece in stochastic analysis that colleagues say “created a whole world.”

Katherine Freese
Q&A

In Search of Dark Stars

By Tom Siegfried
July 22, 2014
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Katherine Freese, a physicist who will soon lead the Nordic Institute for Theoretical Physics, reflects on the hunt for dark matter and how dark matter heating may have produced the first stars.

Biology

The New Science of Evolutionary Forecasting

By Carl Zimmer
July 17, 2014
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Newly discovered patterns in evolution may help scientists make accurate short-term predictions.

David Spergel
Q&A

A Bold Critic of the Big Bang’s ‘Smoking Gun’

By Peter Byrne
July 3, 2014
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The cosmologist David Spergel explains why a widely publicized gravitational-wave discovery could be wrong, and how the “overreaching” study could affect the public’s perception of science.

Q&A

Early-Universe Explorer Looks for Answers

By Peter Byrne
July 3, 2014
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Chao-Lin Kuo, who helped design the experiment that claimed to have found evidence of gravitational waves from the Big Bang, isn’t bothered by criticism that cosmic dust may account for his results.


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