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General Physics Mar 20, 2024

An endless domino effect: Non-reciprocal topological solitons in active metamaterials

Topological solitons can be found in many places and at many different length scales. For example, they take the form of kinks in coiled telephone cords and large molecules such as proteins. At a very different scale, a black ...

General Physics Mar 20, 2024

Quantum tornado provides gateway to understanding black holes

Scientists have for the first time created a giant quantum vortex to mimic a black hole in superfluid helium that has allowed them to see in greater detail how analog black holes behave and interact with their surroundings.

Astronomy Mar 20, 2024

Astronomers discover a rare eclipsing X-ray binary

An international team of astronomers reports the detection of a rare eclipsing Be/X-ray binary system as part of the Swift Small Magellanic Cloud (SMC) Survey (S-CUBED). The finding was detailed in a research paper published ...

Astronomy Mar 18, 2024

Largest-ever map of universe's active supermassive black holes released

Astronomers have charted the largest-ever volume of the universe with a new map of active supermassive black holes living at the centers of galaxies. Called quasars, the gas-gobbling black holes are, ironically, some of the ...

Plants & Animals Mar 13, 2024

The surprising key to magpie intelligence: It's not genetic

If you've ever had the pleasure of encountering Australia's iconic magpies, you know these birds are intelligent creatures. With their striking black and white plumage, loud warbling voices and complex social behaviors, magpies ...

Plants & Animals Mar 12, 2024

Rice paddy snake diversification was driven by geological and environmental factors in Thailand, molecular data suggest

A University of Kansas study of rice paddy snakes in Southeast Asia gives key details to their diversification and natural history, adding molecular evidence that the rise of the Khorat Plateau and subsequent environmental ...

Planetary Sciences Mar 11, 2024

NASA launches Snap It! computer game to learn about eclipses

On April 8, 2024, a total solar eclipse will be visible to more than 30 million people across North America. To help kids learn about solar eclipses, NASA is launching Snap It! An Eclipse Photo Adventure.

Astronomy Mar 11, 2024

Maximum mass of non-rotating neutron star precisely inferred to be 2.25 solar masses

A study led by Prof. Fan Yizhong from the Purple Mountain Observatory of the Chinese Academy of Sciences has achieved significant precision in determining the upper mass limit for non-rotating neutron stars, a pivotal aspect ...

General Physics Mar 8, 2024

Pushing the boundary on ultralow frequency gravitational waves

A team of physicists has developed a method to detect gravity waves with such low frequencies that they could unlock the secrets behind the early phases of mergers between supermassive black holes, the heaviest objects in ...

Astronomy Mar 7, 2024

Scientists solve the riddle of nitrogen-rich galaxy 440 million years after the Big Bang

For the first time, scientists have been able to explain the mystery behind the unusual chemical composition in one of the universe's most distant galaxies. The state-of-the-art theoretical model that the breakthrough research ...

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