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Why Do We Get Old, and Can Aging Be Reversed?

July 27, 2022

Everybody gets older, but not everyone ages in the same way. In this episode, Steven Strogatz speaks with Judith Campisi and Dena Dubal, two biomedical researchers who study the aging process.

Hidden Chaos Found to Lurk in Ecosystems

July 27, 2022

New research finds that chaos plays a bigger role in population dynamics than decades of ecological data seemed to suggest.

A Question About a Rotating Line Helps Reveal What Makes Real Numbers Special

July 26, 2022

The Kakeya conjecture predicts how much room you need to point a line in every direction. In one number system after another — with one important exception — mathematicians have been proving it true.

Two Weeks In, the Webb Space Telescope Is Reshaping Astronomy

July 25, 2022

In the days after the mega-telescope started delivering data, astronomers reported new discoveries about galaxies, stars, exoplanets and even Jupiter.

How Can Infinitely Many Primes Be Infinitely Far Apart?

July 21, 2022

Mathematicians have been studying the distribution of prime numbers for thousands of years. Recent results about a curious kind of prime offer a new take on how spread out they can be.

Q&A

The Astrophysicist Who Sculpts Stars Before They Are Born

July 20, 2022

Nia Imara is working to understand the mysterious clouds of gas and dust that collapse into stars.

How the ‘Diamond of the Plant World’ Helped Land Plants Evolve

July 19, 2022

Structural studies of the robust material called sporopollenin reveal how it made plants hardy enough to reproduce on dry land.

Computer Science Proof Unveils Unexpected Form of Entanglement

July 18, 2022

Three computer scientists have posted a proof of the NLTS conjecture, showing that systems of entangled particles can remain difficult to analyze even away from extremes.

Hypergraphs Reveal Solution to 50-Year-Old Problem

July 14, 2022

In 1973, Paul Erdős asked if it was possible to assemble sets of “triples” — three points on a graph — so that they abide by two seemingly incompatible rules. A new proof shows it can always be done.

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