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Top Dark Matter Candidate Loses Ground to Tiniest Competitor

November 27, 2019

Physicists have long searched for hypothesized dark matter particles called WIMPs. Now, focus may be shifting to the axion — an ultra-lightweight particle whose existence would solve two mysteries at once.

Longevity Linked to Proteins That Calm Overexcited Neurons

November 26, 2019

New research makes a molecular connection between the brain and aging — and shows that overactive neurons can shorten life span.

Mathematicians Catch a Pattern by Figuring Out How to Avoid It

November 25, 2019

We finally know how big a set of numbers can get before it has to contain a pattern known as a “polynomial progression.”

Solution: ‘Randomness From Determinism’

November 22, 2019

Readers’ modifications of a bean machine showed how deterministic laws are capable of producing random-seeming behavior.

Are Saturn’s Rings Really as Young as the Dinosaurs?

November 21, 2019

A surprisingly youthful estimate of the age of the rings has stirred a backlash.

Q&A

The Architect of Modern Algorithms

November 20, 2019

Barbara Liskov pioneered the modern approach to writing code. She warns that the challenges facing computer science today can’t be overcome with good design alone.

Hologram Within a Hologram Hints at Fate of Black Holes

November 19, 2019

Calculations involving a higher dimension are guiding physicists toward a misstep in Stephen Hawking’s legendary black hole analysis.

Playing Hide-and-Seek, Machines Invent New Tools

November 18, 2019

After millions of games, machine learning algorithms found creative solutions and unexpected new strategies that could transfer to the real world.

Cells That ‘Taste’ Danger Set Off Immune Responses

November 15, 2019

Taste and smell receptors in unexpected organs monitor the state of the body’s natural microbial health and raise an alarm over invading parasites.

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