All Articles

Animation showing toy-like depictions of computer science, quantum mechanics and pure math affecting each other.
computational complexity

Landmark Computer Science Proof Cascades Through Physics and Math

March 4, 2020

Computer scientists established a new boundary on computationally verifiable knowledge. In doing so, they solved major open problems in quantum mechanics and pure mathematics.

Q&A

The Man Making Rwanda Into a Hub for Physics

March 3, 2020

As the founding director of a new institute for fundamental research in Rwanda, the physicist Omololu Akin-Ojo hopes to stem the brain drain of Africa’s brightest minds.

Cosmic reionization video.
Abstractions blog

How the Cosmic Dark Ages Snuffed Out All Light

March 2, 2020

The recent discovery of some of the first galaxies in the universe illuminates the darkest era in cosmic history.

Illustration of black holes connected by a wormhole.
quantum information theory

Wormholes Reveal a Way to Manipulate Black Hole Information in the Lab

February 27, 2020

A proposal for building wormhole-connected black holes offers a way to probe the paradoxes of quantum information.

Antares photograph.
Abstractions blog

New Wrinkle Added to Cosmology’s Hubble Crisis

February 26, 2020

A problem confronts cosmology: Two independent measurements of the universe’s expansion give incompatible answers. Now a third method, advanced by an astronomy pioneer, appears to bridge the divide.

Illustration of a connection between a bat and a human, with a backdrop of coronaviruses.
Quantized Columns

The Animal Origins of Coronavirus and Flu

February 25, 2020

Zoonotic diseases like influenza and many coronaviruses start out in animals, but their biological machinery often enables them to jump to humans.

Two arrows that are intertwined for most of their length but then point in different directions.
Abstractions blog

In Brain Waves, Scientists See Neurons Juggle Possible Futures

February 24, 2020

Faced with a decision, the brain weighs its options by bundling them into rapidly alternating cycles of brain waves.

Computer simulation of gravitational waves produced by a binary neutron star merger.
Abstractions blog

‘Radical Change’ Needed After Latest Neutron Star Collision

February 20, 2020

A recent neutron star merger has defied astronomers’ expectations, leading them to question longstanding ideas about neutron stars and the supernovas that create them. “We have to go back to the drawing board.”

Animated demonstration of a colorful complete graph being tiled by a smaller tree
combinatorics

Rainbow Proof Shows Graphs Have Uniform Parts

February 19, 2020

Mathematicians have proved that copies of smaller graphs can always be used to perfectly cover larger ones.