Science

Explosive volcanic eruption produced rare mineral on Mars: Researchers publish scenario that explains 2016 discovery by NASA's Curiosity rover

Single-cell approaches and deep learning to map all stages of fruit fly embryo development

Scientists have constructed the most complete and detailed single-cell map of embryo development in any animalto date, using the fruit fly as a model organism. Published in Science, this study, co-led by Eileen Furlong at EMBL and Jay Shendure at the University of Washington, harnesses data from over one million embryonic cells spanning all stages …

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NASA, Roscosmos Project Camaraderie As Crew Exchange Flights Near

NASA, Roscosmos Project Camaraderie As Crew Exchange Flights Near

Officials from NASA and Roscosmos projected an air of camaraderie today as the first Russian cosmonaut prepares to fly on the next Crew Dragon mission to the International Space Station. Russians routinely flew on the U.S. space shuttle, but this is the first time on the newest U.S. crew space transportation system and comes amidst …

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Explosive volcanic eruption produced rare mineral on Mars: Researchers publish scenario that explains 2016 discovery by NASA's Curiosity rover

Water can’t touch this sanded, powdered surface: Sanding powder into a material provides the right properties for superhydrophobicity

Want a surface that won’t get wet? Grab some sandpaper. Rice University researchers have developed a simple method to make surfaces superhydrophobic — that is, very water-repellant — without the chemicals often used in such processes. Their technique involves sandpaper, a selection of powders and some elbow grease. The labs of Rice professors C. Fred …

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Hyaluranic acid, a naturally occurring compound, awakens stem cells to repair damaged muscle

Hyaluranic acid, a naturally occurring compound, awakens stem cells to repair damaged muscle

Newswise — A new study published in the journal Science reveals a unique form of cell communication that controls muscle repair. In damaged muscle, stem cells must work together with immune cells to complete the repair process, yet how these cells coordinate to ensure the efficient removal of dead tissue before making new muscle fibers has remained …

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Advanced separation and classification of ionospheric troughs in midnight conditions – Scientific Reports

An analysis of the structures of the high latitude ionosphere was conducted using a model of auroral particle precipitation constructed from the DMSP satellites data in both hemispheres17,18. The model is uploaded on the website of the Polar Geophysical Institute (http://apm.pgia.ru). In Fig. S1 (in “Supporting information”), this model is presented for quiet conditions. The …

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Tuning strategies and structure effects of electrocatalysts for the carbon dioxide reduction reaction

Tuning strategies and structure effects of electrocatalysts for the carbon dioxide reduction reaction

Different tuning strategies enable differences in catalyst structures. How to make a choice from these available tuning strategies? A trade-off can be made between the desired structure and performance of catalysts based on full knowledge of the advantages and disadvantages of a specific tuning strategy. Credit: Chinese Journal of Catalysis Excessive carbon dioxide emissions from …

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Investigation of acoustic waves behavior of an underground tunnel in a multilayer soil – Scientific Reports

To quantify acoustic wave behavior in an underground structure in a multilayer soil by changing various tunnel-related parameters, the reflected and transmitted acoustic pressure is determined in the air layer at the ground surface and the air inside the tunnel, respectively. The considered parameters include mechanical properties of soil in each layer, the buried depth, …

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Relationships between genome-wide R-loop distribution and classes of recurrent DNA breaks in neural stem/progenitor cells – Scientific Reports

Genome-wide mapping of R-loops in NSPCs Several classes of recurrent DSBs occur in mouse and human NSPCs, including DSB breakpoint clusters in long, transcribed and late-replicating genes and around transcriptional start sites4,6,7,8,9. To elucidate potential mechanistic factors involved in the formation of the different classes of recurrent DSBs, we assessed the genomic features of regions …

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Physicists Finally Measure a Long Theorized Molecule Made From Light And Matter

Physicists Finally Measure a Long Theorized Molecule Made From Light And Matter

Physicists have just caught light acting the part of ‘glue’ between atoms, in a kind of loosely bonded molecule. “We have succeeded for the first time in polarizing several atoms together in a controlled way, creating a measurable attractive force between them,” says University of Innsbruck physicist Matthias Sonnleitner.   Atoms connect to form molecules in …

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Warm waters rushing towards Antarctica's biggest ice sheet: New research

Warm waters rushing towards Antarctica’s biggest ice sheet: New research

Warmer waters are flowing towards the East Antarctic ice sheet, according to our alarming new research which reveals a potential new driver of global sea-level rise. The research, published today in Nature Climate Change, shows changing water circulation in the Southern Ocean may be compromising the stability of the East Antarctic ice sheet. The ice …

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