Condensed Matter

Magnetic avalanche triggered by quantum effects: 'Barkhausen noise' detected for first time

Iron screws and other so-called ferromagnetic materials are made up of atoms with electrons that act like little magnets. Normally, the orientations of the magnets are aligned within one region of the material but are not ...

Environment

Atmospheric observations in China show rise in emissions of a potent greenhouse gas

To achieve the aspirational goal of the Paris Agreement on climate change—limiting the increase in global average surface temperature to 1.5 degrees Celsius above preindustrial levels—will require its 196 signatories ...

Biochemists discover first new antibacterial class in decades

Vanderbilt biochemists are part of a team taking a stride toward the development of antibacterials to treat uncomplicated urinary tract infections, a pervasive bacterial infection that affects 50%–60% of women in their ...

Faintest known star system orbiting the Milky Way discovered

A team of astronomers led by the University of Victoria and Yale University has detected an ancient star system traveling around our galaxy named Ursa Major III / UNIONS 1 (UMa3/U1)—the faintest and lowest-mass Milky Way ...

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Tech Xplore

Three new millisecond pulsars detected with MeerKAT

Using the MeerKAT radio telescope in South Africa, an international team of astronomers has detected three new millisecond pulsars in the globular cluster Messier 62 (also known as NGC 6266). The finding was detailed in a ...

Older brain cells linger unexpectedly before their death

For oligodendrocytes—the central nervous system cells critical for brain function—age may not bring wisdom, but it does come with the power to cling to life for much, much longer than scientists knew. That's according ...

The lyrebird synchronizes elements of its mating dance

To woo a mate, the Albert's lyrebird of Australia first chooses a stage of entangled vines, then in performance he shakes the vines as part of his courtship footwork, synchronizing each shake with the beat of his striking ...

Netflix trivializing teenagers' pain, says study

A new analysis of adolescent TV and films on Netflix suggests that too often, it shows misleading depictions of pain, portraying pain as something arising only through a violent act or injury. Instead of trivializing the ...

Identifying tropane alkaloid types in Hyoscyamus niger L.

Researchers conducted a study on tropane alkaloids (TAs), crucial natural compounds found abundantly in various plant families. TAs, often toxins, include major ones like L-hyoscyamine, atropine, and scopolamine, each with ...

Wild desert plants face viral surprise

Just as many people battle seasonal colds and flu, native plants face their own viral threats. People have long known that plants can succumb to viruses just like humans. Now, a new study led by Michigan State University ...