Physical Review Letters · 26 August 2026 · From issue 27

First Observation of D 0 ( + ) → K ¯ ω e + ν e and Determination of the Branching Fraction of K ¯ 1 ( 1270 ) → K ¯ ω

A rare particle breakup was seen for the first time, confirming a strange particle's hidden double nature.

M. Ablikim, M. N. Achasov et al.

Integrity screen: passed (3 checks) Checked 27 August 2026. Read the source

The plain-language reading of this paper is in the full issue, for subscribers.

Read the full issue

Get it free, every two days

Five papers free every issue, about 15 emails a month. No spam. Leave in one click.

Also in issue 27 15 papers

An eye scan predicted age within 2.85 years and flagged disease risk differently in men and women.
Nature Communications
Patterns across connected brain regions, not just single spots, predict memory accuracy.
Proceedings of the National Academy of Sciences
Long-lived bats evolved gene changes that fight viruses and may also block cancer and ageing.
Nature
Teams of ocean bacteria fully break down tough algae sugars that single microbes cannot handle alone.
Nature
Charged water drops can break protective coatings and cause metal to rust.
Nature
Entropy and disorder may depend on what an observer chooses to measure.
PNAS Nexus
Humans predict words better than AI models, and voice tone boosts both humans and AI.
Proceedings of the National Academy of Sciences
Classroom friendship patterns predict student well-being and grades better than family background alone.
PNAS Nexus
A dead star's leftover core lit up in radio waves years after it exploded.
The Astrophysical Journal
Light can be tuned to build two different rigid ring shapes from one starting material.
Nature Chemistry
Gut disease shares the strongest genetic link with depression among four illness types studied.
Nature Genetics
After diabetes starts, men get heart and kidney disease more, women get mental health problems more.
PLOS Medicine
In a lab test, electricity made droplets form, move, and dissolve nonstop without producing waste.
Nature Communications
In single-celled sea creatures, an eye-like part lost its food-making tool but may still sense light.
PNAS Nexus