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How Supergenes Fuel Evolution Despite Harmful Mutations

November 8, 2022

Supergenes that lock inherited traits together are widespread in nature. Recent work shows that their blend of genetic benefits and risks for species can be complex.

The Enduring Mystery of the Dragonfly 44 Galaxy

November 7, 2022

A growing catalog of huge but dim galaxies such as Dragonfly 44 is forcing astronomers to invent new theories of galactic evolution.

A Dream of Discovering Alien Life Finds New Hope

November 3, 2022

For Lisa Kaltenegger and her generation of exoplanet astronomers, decades of planning have set the stage for an epochal detection.

Ocean Bacteria Reveal an Unexpected Multicellular Form

November 2, 2022

Marine bacteria normally seen as single cells join together as a “microscopic snow globe” to consume bulky floating carbohydrates.

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A Mathematician Who Fled to Freedom but Still Stares Down Doubts

November 1, 2022

Svetlana Jitomirskaya was born in Ukraine, but left the Soviet Union to escape sexism and antisemitism. Even though her work in mathematical physics has now been honored with one of the field’s top prizes, she finds herself still fighting old battles.

Why Mathematicians Study Knots

October 31, 2022

Far from being an abstract mathematical curiosity, knot theory has driven many findings in math and beyond.

How Genes Can Leap From Snakes to Frogs in Madagascar

October 27, 2022

The discovery of a hot spot for horizontal gene transfer draws attention to the possible roles of parasites and ecology in such changes.

Brightest-Ever Space Explosion Reveals Possible Hints of Dark Matter

October 26, 2022

A recent gamma-ray burst known as the BOAT — “brightest of all time” — appears to have produced a high-energy particle that shouldn’t exist. For some, dark matter provides the explanation.

How to Win at Wordle (Without Cheating)

October 25, 2022

Solve these puzzle questions to level up your Wordle game.

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