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Search results for “Fields of Study”

1,000+ results for "Fields of Study"

New image of the center of our Milky Way: Spiral magnetic fields surround black hole Sagittarius A*

Researchers analyze data from another series of observations to study Sgr A*, finding that strong and ordered magnetic fields are critical to how black holes interact with gas and matter around them. The discovery enhances theoretical models and simulations, refining our understanding of black hole dynamics near the event horizon.

SourceGoethe University Frankfurt·JournalThe Astrophysical Journal Letters·TypeComputational simulation/modeling·DateMar 27, 2024

A new ion trap for larger quantum computers

Researchers at ETH Zurich developed a new ion trap for larger quantum computers using static magnetic fields, overcoming previous limitations with oscillating fields. The Penning trap design allows for arbitrary transport and control of qubits, enabling future supercomputers.

SourceETH Zurich·JournalNature·DateMar 14, 2024

Our surprising magnetic galaxy

A team of astronomers created the first-ever 3D map of magnetic field structures within a spiral arm of the Milky Way galaxy, showing that magnetic fields break away from the general picture and impact star-forming regions. The findings suggest that magnetic fields played a role in creating our own solar system.

SourceUniversity of Tokyo·JournalThe Astrophysical Journal·TypeObservational study·DateJan 11, 2024

Inoculation against diseased fields

Researchers found that mycorrhizal fungi can significantly improve crop yields by up to 40% in fields with high levels of fungal pathogens. The inoculation was most effective when the soil had already been contaminated with pathogens, serving as a protective shield against further damage.

SourceUniversity of Zurich·JournalNature Microbiology·TypeExperimental study·DateNov 30, 2023

Scientists raised key questions of solar wind–moon interaction

Researchers examine the complex interactions between solar wind and the Moon's surface environment, including small-scale magnetic fields, lunar swirls, and regolith layer dynamics. The study highlights the need for further in-situ observations to understand these processes and their implications for human activities on the Moon.

SourceBeijing Institute of Technology Press Co., Ltd·JournalSpace Science & Technology·DateOct 11, 2023

Furthest ever detection of a galaxy’s magnetic field

Researchers using ALMA detected a fully formed magnetic field in a distant galaxy, similar to nearby galaxies, which provides new insights into the formation of galactic-scale magnetic fields. The discovery suggests that intense star formation in the early Universe could have played a role in accelerating the development of these fields.

SourceESO·JournalNature·DateSep 6, 2023

Climate win-win: study quantifies benefits of enhanced weathering

A new study quantifies the climate benefits of enhanced weathering, applying ground-up silicate rock to Midwestern farm fields to capture significant amounts of carbon dioxide. The method reduced net carbon loss to the atmosphere by 42% in maize plots and more than doubled carbon storage in miscanthus plots.

Nematodes joy ride across electric voltages

Researchers found that nematode worm larvae can leap through the air and attach themselves to passing insects when exposed to certain electric fields. They observed dauer larvae consistently moving towards the lid of a petri dish, some reaching it in a fraction of a second.

SourceHokkaido University·JournalCurrent Biology·TypeExperimental study·DateAug 9, 2023

New method has promise for accurate, efficient soil carbon estimates

Researchers developed a new method to estimate soil organic carbon stocks in agricultural fields, reducing the number of samples needed by 30%. The approach uses doubly balanced sampling and accounts for auxiliary information available in elevation maps, satellite images, and previous surveys. By improving soil sampling efficiency, thi...

Study examines struggles of Haitian migrants self-managing diabetes on Dominican Republic sugar cane fields

A new study from the University of Missouri found that poverty, low health literacy, cultural beliefs, lack of infrastructure, and political issues hinder diabetes self-management for Haitian migrants. The researchers suggest targeted interventions, such as community gardens and healthcare education through local priests.

SourceUniversity of Missouri-Columbia·JournalThe Science of Diabetes Self-Management and Care·TypeSurvey·DateJul 26, 2023

Astronomers discover striking evidence of ‘unusual’ stellar evolution

Researchers from Ohio State University found that some low-mass stars have unexpectedly strong surface magnetic fields, which could intensify their radiation for billions of years. This discovery challenges current models of stellar evolution and has important implications for the search for life on other planets.

SourceOhio State University·JournalThe Astrophysical Journal Letters·TypeObservational study·DateJul 17, 2023

Developing a nano-antenna that forms a near field of circularly polarized light: Promising applications in highly sensitive sensing and asymmetric photochemical reactions for molecular chirality

Researchers developed a nano-antenna that forms a near field of circularly polarized light, enhancing optical chirality and preserving helicity. This technology has promising applications in highly sensitive sensing and asymmetric photochemical reactions for molecular chirality.

SourceKobe University·JournalNano Letters·TypeData/statistical analysis·DateJun 28, 2023

Zhurong rover detects extremely weak magnetic fields on surface of Mars’ Utopia Basin

The Zhurong rover's first 1-km traverse revealed extremely weak magnetic fields on the Martian surface, contradicting previous orbital measurements. This finding suggests that either the crust remained unmagnetized or was demagnetized by a massive impact, providing new insights into early Mars' magnetic, climatic, and interior history.

SourceChinese Academy of Sciences Headquarters·JournalNature Astronomy·DateJun 26, 2023

Academic fields valuing “brilliance” less welcoming to women, new analysis shows

A recent study analyzing CVs across 30 disciplines found that women are underrepresented among those entering fields requiring exceptional intellectual ability, such as physics and engineering, while being overrepresented among those exiting these fields. Gender-based prejudice plays a significant role in perpetuating these imbalances.

SourceNew York University·JournalJournal of Personality and Social Psychology·TypeSurvey·DateJun 22, 2023

Fallow land promotes bird diversity

A study found that establishing fallow land can increase the populations of farmland birds and improve biodiversity. The benefits depend on landscape complexity, particularly in regions with a moderate density of boundary lines between fields and woody structures.

SourceUniversity of Göttingen·JournalJournal of Applied Ecology·DateApr 28, 2023

Misconceptions put women off STEM subjects

A sociological study at the University of Zurich reveals that outdated gender stereotypes play a major role in women's reluctance to pursue STEM subjects. Women tend to prefer fields with less emphasis on analytical thinking and more social and emotional skills, despite high salaries and good employment prospects. The study suggests th...

SourceUniversity of Zurich·JournalEuropean Sociological Review·TypeExperimental study·DateApr 26, 2023

Quantum sensing in your pocket

Researchers from the ARC Centre of Excellence in Exciton Science have demonstrated a new chip-scale approach using OLEDs to image magnetic fields, offering a potential solution for portable quantum sensing. This technique enables small, flexible, and mass-producible sensing without requiring input from a laser or cryogenic temperatures.

SourceARC Centre of Excellence in Exciton Science·JournalNature·TypeExperimental study·DateApr 25, 2023

Study offers details on using electric fields to tune thermal properties of ferroelectric materials

Scientists from NC State University have discovered a way to manipulate the flow of heat through ferroelectric materials by applying different electric fields. The study, published in Advanced Materials, found that varying electric field strengths, types (AC/DC), time, and frequency can alter the thermal properties of these materials.

SourceNorth Carolina State University·JournalAdvanced Materials·TypeExperimental study·DateFeb 22, 2023

The world's largest turbulence simulation unmasks the flow of energy in astrophysical plasmas

A team of researchers has made a groundbreaking discovery that helps explain how the solar corona can be vastly hotter than its surface. The breakthrough involves magnetic reconnection, which separates and reconnects magnetic fields in plasma, converting turbulent energy into thermal energy at small scales.

SourceDOE/Princeton Plasma Physics Laboratory·JournalScience Advances·TypeComputational simulation/modeling·DateDec 23, 2022

Weedy rice has become herbicide resistant through rapid evolution

Scientists found that weedy rice has developed herbicide resistance through gene flow from crop rice, with most fields showing resistant plants within 20 years of herbicide-resistant rice cultivation. This rapid evolution is due to the close proximity of weedy and crop rice in the same fields, allowing for pollen transfer and outcrossing.

SourceWashington University in St. Louis·JournalCommunications Biology·TypeExperimental study·DateSep 8, 2022