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How Simple Math Moves the Needle

September 29, 2023

The spatial intuition behind a three-point turn offers an on-ramp to a century-old geometry problem.

In the Milky Way’s Stars, a History of Violence

September 28, 2023

Our galaxy's stars keep a record of its past. By reading those stories, astronomers are learning more about how the Milky Way came to be — and about the galaxy we live in today.

How Many Microbes Does It Take to Make You Sick?

September 27, 2023

Exposure to a virus isn’t an all-or-nothing proposition. The concept of “infectious dose” suggests ways to keep ourselves safer from harm.

To Defend the Genome, These Cells Destroy Their Own DNA

September 26, 2023

Under a microscope, cells in a worm embryo deliberately eliminated one-third of their genome — an uncompromising tactic that may combat harmful genetic parasites.

Mathematicians Cross the Line to Get to the Point

September 25, 2023

A new paper establishes a long-conjectured bound about the size of the overlap between sets of lines and points.

Behold Modular Forms, the ‘Fifth Fundamental Operation’ of Math

September 21, 2023

Modular forms are one of the most beautiful and mysterious objects in mathematics. What are they?

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The Experimental Cosmologist Hunting for the First Sunrise

September 20, 2023

To catch even a whiff of the universe’s earliest epochs — an age of darkness, and one of new light — Cynthia Chiang builds her own equipment. Then she deploys it at the ends of the Earth.

The Physical Process That Powers a New Type of Generative AI

September 19, 2023

Some modern image generators rely on the principles of diffusion to create images. Alternatives based on the process behind the distribution of charged particles may yield even better results.

What Makes Life Tick? Mitochondria May Keep Time for Cells

September 18, 2023

Every species develops at its own unique tempo, leaving scientists to wonder what governs their timing. A suite of new findings suggests that cells use basic metabolic processes as clocks.

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