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Physicists at MIT have captured images of atoms flowing along a boundary without resistance.
In certain exotic materials, electrons can appear to flow with a single-minded purpose.
In this rare "edge state," electrons flow without friction, gliding effortlessly around obstacles as they stick to their perimeter-focused flow.
The study's co-authors at MIT include graduate students Ruixiao Yao and Sungjae Chi .
There is no slowing down, and no atoms leaking or scattering into the rest of the system.
This effortless flow held up even when the researchers placed an obstacle in the atoms' path, like a speed bump, in the form of a point of light.
The team's observations in atoms document the same behavior that has been predicted to occur in electrons.
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Ecosystem resilience is the capacity of an ecosystem to resist, recover from, or adapt to disturbances while maintaining its essential structure, function, and ability to provide ecosystem services.
The term mobile link’ typically refers to an organism that moves between different habitats or ecosystems, connecting them and facilitating the exchange of energy, nutrients, or other ecological processes.
Ecosystem engineers are organisms that create, maintain, and modify habitats by significantly altering the chemical and physical composition of substrates.
One example of ecosystem engineers is herbivorous reef fishes, which feed on plants and algae.
Ecosystems 6, 00870098 . Isoptera , Reference Module in Life Sciences , Elsevier, 2017 , ISBN 9780128096338 . Šobotník, J., Cecilia A.L. Dahlsjö , Cecilia .
Dahlsljö.
Wilcox BA , Murphy DD . ( 1985 ). Conservation strategy: the effects of fragmentation on extinction on extinction.
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China 's Shenlong spaceplane completed its third flight, spending 268 days in orbit.
The reusable spacecraft launched in December 2023 and spent 276 days in Earthâs orbit.
During its time in orbit, the reusable spaceplane released several objects and raised its altitude to 372 miles ( 600 kilometers ) above Earth .
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Researchers at HHMI's Janelia Research Campus , Stanford University , and the Broad Institute are developing user-friendly tools to help scientists translate this cellular communication and uncover new details about how cells exchange information.
The new research not only gives scientists novel insights into cellular communication, but also showcases the potential of proteomics to read the basic language units of the cell.
DOI: 10.1016 /j.cell.2024.06.022 Namrata D. Udeshi et al, Cell-surface Milieu Remodeling in Human Dendritic Cell Activation , The Journal of Immunology ( 2024 ). DOI: 10.4049 /jimmunol.2400089 Provided by Howard Hughes Medical InstituteThis story was originally published on Phys.org . Subscribe to our newsletter for the latest sci-tech news updates..
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Some states have streamlined the reclamation process, supporting local groups limited by a lack of manpower.
EPA estimates up to 200,000 acres of formerly mined land need to be reforested in Pennsylvania .
The Department of the Interior has three programs states can use: abandoned mine land fund, Bipartisan Infrastructure Law and AMLER fund.
Federal delays hamper states like Pennsylvania , but cleanup could pay dividends if officials make cleanup and development a priority.
States can set their own standards for what they want in an AMLER project.
A number of mine reclamation funds give money to small communities, but they don't always have grant writers on staff or full-time people.
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Researchers from LMU Munich have made an important breakthrough in the analysis of exoplanet atmospheres.
Using physics-informed neural networks (PINNs), they have managed to model the complex light scattering in the atmospheres of distant planets with greater precision than has previously been possible.
The method opens up new opportunities for the analysis.
It could significantly improve our understanding of these distant worlds.
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Intuitive Machines will launch a lunar lander to the moon's south pole in 2027 .
NASA will pay $117 million for it to carry six science payloads.
The company managed the first lunar landing by a commercial entity (partly successfully) earlier this year .
It is part of NASA ’s broader effort to embrace the private space industry by becoming a customer of space companies.
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Study builds on recent observations from the Event Horizon Telescope ( EHT ), which captured the first direct image of Sagittarius A
(Sgr A
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Researchers say the findings will have significant implications for future observations with upcoming space-borne gravitational wave detectors, such as the Laser Interferometer Space Antenna .
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70 percent of 22,000 people polled say human activities are pushing Earth past 'tipping points' People living in emerging economies perceived themselves to be more exposed to environmental and climate shocks.
Americans largely believe they do not bear responsibility for global environmental problems.
Only 15 percent of US respondents said that high- and middle-income Americans share responsibility.
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New study shows enhanced cognitive abilities can be associated with longer lifespan in wild chickadees.
Study published Sept. 5 in the high impact journal Science .
Spatial learning and memory abilities (when it came to understanding their surroundings and food storing or caching strategies) live longer.