Art for "Stem Cells Remember Tissues’ Past Injuries"

Eric Petersen for Quanta Magazine

developmental biology

Stem Cells Remember Tissues’ Past Injuries

Stem cells seem to retain memories of old injuries to improve future healing. When that system goes wrong, chronic inflammation can result.

Art for "Adaptations or Neutral Changes? Evolutionary Theory Seeks a Balance"
evolution

Theorists Debate How ‘Neutral’ Evolution Really Is

For 50 years, evolutionary theory has emphasized the importance of neutral mutations rather than adaptive ones at the level of DNA. Real genomic data challenges that assumption.

Art for "In the Nucleus, Genes’ Activity Might Depend on Their Position"
cell biology

In the Nucleus, Genes’ Activity Might Depend on Their Location

Using a new CRISPR-based technique, researchers are examining how the position of DNA within the nucleus affects gene expression and cell function.

combinatorics

Mystery Math Whiz and Novelist Advance Permutation Problem

A new proof from the Australian science fiction writer Greg Egan and a 2011 proof anonymously posted online are now being hailed as significant advances on a puzzle mathematicians have been studying for at least 25 years.

astrophysics

Astronomers Creep Up to the Edge of the Milky Way’s Black Hole

Hot spots have been discovered orbiting just outside the supermassive black hole at the galaxy’s center. Their motions have given us the closest look at that violent environment.

Art for "Scientists Learn the Ropes on Tying Molecular Knots"
chemistry

Scientists Learn the Ropes on Tying Molecular Knots

As chemists tie the most complicated molecular knot yet, biophysicists create a “periodic table” that describes what kinds of knots are possible.

Quantized Academy

The (Imaginary) Numbers at the Edge of Reality

Odd enough to potentially model the strangeness of the physical world, complex numbers with “imaginary” components are rooted in the familiar.

Photo of Mario Jurić
Q&A

Prepping for a Flood of Heavenly Bodies

Mario Jurić is leading the push to get astronomy ready for the torrents of data that are about to flow.

Latest Puzzle


Art for "How Equality and Inequality Shape the Birds and the Bees"
insights puzzle

Solution: ‘How Equality and Inequality Shape Birds and Bees’

Puzzle solvers explored how evolution may have used negative and positive control mechanisms to shape the conflicting parental functions of reproduction and child rearing.

Latest Multimedia


Ewine van Dishoeck at Noordwijk beach in the Netherlands.
Thinking Places

Ewine van Dishoeck, the Netherlander Who Traced Water’s Origin

The astrochemist and winner of the 2018 Kavli Prize in Astrophysics has wondered about the cosmic origin of water while enjoying Noordwijk beach near her hometown of Leiden.

About Quanta Magazine

Illuminating basic science and math research through public service journalism.

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Quanta Magazine is committed to in-depth, accurate journalism that serves the public interest. Each article braids the complexities of science with the malleable art of storytelling and is meticulously reported, edited and fact-checked. Launched and funded by the Simons Foundation, Quanta is editorially independent — our articles do not reflect or represent the views of the foundation.

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