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Simple Bacteria Offer Clues to the Origins of Photosynthesis
Studies of the energy-harvesting proteins in primitive cells suggest that key features of photosynthesis might have evolved a billion years earlier than scientists thought.
Neutron-Star Collision Shakes Space-Time and Lights Up the Sky
Astronomers have for the first time matched a gravitational-wave signal to a kilonova’s burst of light, observations that will “go down in the history of astronomy.”
The Math Behind Gerrymandering and Wasted Votes
Simple math can help scheming politicians manipulate district maps and cruise to victory. But it can also help identify and fix the problem.
Visionary Mathematician Vladimir Voevodsky Dies at 51
Voevodsky’s friends remember him as constitutionally unable to compromise on the truth — a quality that led him to produce some of the most important mathematics of the 20th century.
Ultra-Powerful Radio Bursts May Be Getting a Cosmic Boost
Repeating radio bursts are among the most mysterious phenomena in the universe. A new theory explores how some of their puzzling properties can be explained by galactic lenses made of plasma.
How to Win at Deep Learning
What happens when you increase the number of layers in an artificial neural network?
One-Way Salesman Finds Fast Path Home
The real-world version of the famous “traveling salesman problem” finally gets a good-enough solution.
Supercool Protein Imaging Gets the Nobel Prize
This year’s Nobel Prize in Chemistry goes to researchers who made it possible to see proteins and other biomolecules at an atomic level of detail.
LIGO Architects Win Nobel Prize in Physics
The American physicists Rainer Weiss, Kip Thorne and Barry Barish were honored for dreaming up and realizing the experiment that confirmed the existence of gravitational waves.