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A Mutation Turned Ants Into Parasites in One Generation

May 8, 2023

A new genetics study of ant “social parasites” shows how complex sets of features can emerge rapidly and potentially split species.

A New Idea for How to Assemble Life

May 4, 2023

If we want to understand complex constructions, such as ourselves, assembly theory says we must account for the entire history of how such entities came to be.

Is Perpetual Motion Possible at the Quantum Level?

May 3, 2023

A new phase of matter called a “time crystal” plays with our expectations of thermodynamics. The physicist Vedika Khemani talks with Steven Strogatz about its surprising quantum behavior.

The Most Important Machine That Was Never Built

May 3, 2023

When he invented Turing machines in 1936, Alan Turing also invented modern computing.

A Very Big Small Leap Forward in Graph Theory

May 2, 2023

Four mathematicians have found a new upper limit to the “Ramsey number,” a crucial property describing unavoidable structure in graphs.

How a Human Smell Receptor Works Is Finally Revealed

May 1, 2023

After decades of frustration, researchers have determined how an airborne scent molecule links to a human smell receptor.

Q&A

The Computer Scientist Peering Inside AI’s Black Boxes

April 27, 2023

Cynthia Rudin wants machine learning models, responsible for increasingly important decisions, to show their work.

Why Mathematicians Re-Prove What They Already Know

April 26, 2023

It’s been known for thousands of years that the primes go on forever, but new proofs give fresh insights into how theorems depend on one another.

How Pools of Genetic Diversity Affect a Species’ Fate

April 25, 2023

A new, deeper understanding of how the breeding structure of species affects their genetic diversity is giving conservationists better tools for saving animals.

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