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Cookie-Cutter Supernovas Might Come in Different Flavors

July 31, 2017

Astronomers thought that all Type Ia supernovas shine with the same brightness, making them incredibly useful cosmic yardsticks. But uncertainty over what causes these explosions has led researchers to reconsider their assumptions.

Solution: ‘Why Are There Two Sexes?’

July 28, 2017

The mathematical concept of parity and the fatal flaw of serial multiplication can help explain why having two sexes usually works better than having one or three.

Q&A

Black-Hole Hunter Takes Aim at Einstein

July 27, 2017

The astrophysicist Andrea Ghez spent two decades proving that a supermassive black hole anchors the center of the Milky Way galaxy. Her new plan? Test what happens when things get too close.

First Support for a Physics Theory of Life

July 26, 2017

Take chemistry, add energy, get life. The first tests of Jeremy England’s provocative origin-of-life hypothesis are in, and they appear to show how order can arise from nothing.

Building Codes for Bacterial Cities

July 25, 2017

Hydrodynamics and competition guide the architectural design of biofilm fortresses.

The Beautiful Mathematical Explorations of Maryam Mirzakhani

July 24, 2017

After her untimely death, Maryam Mirzakhani’s life is best remembered through her work.

Q&A

Kaisa Matomäki Dreams of Primes

July 20, 2017

Kaisa Matomäki has proved that properties of prime numbers over long intervals hold over short intervals as well. The techniques she uses have transformed the study of these elusive numbers.

The Illuminating Geometry of Viruses

July 19, 2017

Mathematical insights into how RNA helps viruses pull together their protein shells could guide future studies of viral behavior and function.

In Game Theory, No Clear Path to Equilibrium

July 18, 2017

John Nash’s notion of equilibrium is ubiquitous in economic theory, but a new study shows that it is often impossible to reach efficiently.

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