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The Hidden Connection That Changed Number Theory

November 1, 2023

Quadratic reciprocity lurks around many corners in mathematics. By proving it, number theorists reimagined their whole field.

Bats Use the Same Brain Cells to Map Physical and Social Worlds

October 31, 2023

New research in social bats raises the intriguing possibility that evolution can reprogram the brain’s “place cells,” which are typically associated with location, to encode all kinds of environmental information.

A Brief History of Tricky Mathematical Tiling

October 30, 2023

The discovery earlier this year of the “hat” tile marked the culmination of hundreds of years of work into tiles and their symmetries.

A New Generation of Mathematicians Pushes Prime Number Barriers

October 26, 2023

New work attacks a long-standing barrier to understanding how prime numbers are distributed.

Biophysicists Uncover Powerful Symmetries in Living Tissue

October 25, 2023

After identifying interlocking symmetries in mammalian cells, scientists can describe some tissues as liquid crystals — an observation that lays the groundwork for a fluid-dynamic theory of how tissues move.

Q&A

The Computing Pioneer Helping AI See

October 24, 2023

Alexei Efros has spent his career learning how machines see differently from humans. Now he’s helping to bridge the gap.

Fossilized Molecules Reveal a Lost World of Ancient Life

October 23, 2023

A new analysis of ancient sediments fills a gap in the fossil record — revealing a massive dynasty of ancient eukaryotes, which may have reigned for 800 million years and shaped the history of life of Earth.

The Quest to Quantify Quantumness

October 19, 2023

What makes a quantum computer more powerful than a classical computer? It’s a surprisingly subtle question that physicists are still grappling with, decades into the quantum age.

These Cells Spark Electricity in the Brain. They’re Not Neurons.

October 18, 2023

For decades, researchers have debated whether brain cells called astrocytes can signal like neurons. Researchers recently published the best evidence yet that some astrocytes are part of the electrical conversation.

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