Japan

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16 Jun 2021
Researchers from The University of Tokyo Institute of Industrial Science report colloidal spheres that can be used to determine the rotational dynamics of dense suspensions
A fluorescent micrograph of a cross-section through an epidermal blister on mice skin
14 Jun 2021
A team of scientists has shown that the healing of skin blisters is driven by hair follicle stem cells, which delay their own development in the process.
Ball-milling the mixture of polystyrene and pre-fluorescent radical reactants yielded luminescent polymers. Photos show the mixture before (left) and after (right) the reaction, under UV light.
11 Jun 2021
Hokkaido University researchers have developed a simple method that converts existing generic polymers into luminescent polymers using mechanical force.
Schematic view of hypoxic transcriptome meta-analysis
09 Jun 2021
Publication bias, or the tendency of researchers and journals to not publish uninteresting findings, plagues much of the natural sciences and especially biomedical research. Hiroshima University researchers have developed a meta-analytic technique exploiting publicly available transcriptome databases that avoids the problem—and in so doing, discovered four genes previously unknown to be associated with responding to low-oxygen stress.
1,3-Diradicals Embedded in Curved Paraphenylene Units: Singlet versus Triplet State
09 Jun 2021
Chemical rings of carbon and hydrogen atoms curve to form relatively stable structures capable of conducting electricity and more — but how do these curved systems change when new components are introduced? Researchers based in Japan found that, with just a few sub-atomic additions, the properties can pivot to vary system states and behaviors, as demonstrated through a new synthesized chemical compound.
axion
08 Jun 2021
No one knows what happened in the Universe for its first 400,000 years, but a new paper suggests discovering the hypothetical particle axion could shed light on the early history of the Universe. What's more, current dark matter experiments may have already detected it in its data.
07 Jun 2021
The chances of restoring fertility through sperm stem cell transplant are as random as a coin toss. But a team of scientists developed a new strategy that serves as a “weighted coin” that can favorably rig the odds to achieve outcomes where fertility is successfully restored.
Collecting coral samples in the waters off Oman (Photo: Tsuyoshi Watanabe).
04 Jun 2021
Coral insights into 1,000 years of seasonal changes in the Arabian Sea warn of significant impacts caused by global warming.
04 Jun 2021
Researchers from Osaka City University find that when the larva nematode C. elegans is fed a diet of Bacillus subtilis var. natto, a bacteria used to ferment soy beans into the traditional Japanese food natto, upon reaching adulthood these worms are able to survive infections from the gram-positive bacteria Staphylococcus aureus and Enterococcus faecalis longer than when fed a standard diet of non-pathogenic E. coli.
IMAGE
02 Jun 2021
Scientists have found a way to make hydrogen move faster through a solid material at cooler temperatures, paving the way for more sustainable and practical energy storage devices.
The relationships among CAW, heatwaves, wildfires, and pollution. Anomalous anticyclones characterize the atmospheric circulation that develops concomitantly over the three remote regions around the summertime Arctic (July and August). The authors named it the circum-Arctic wave (CAW) pattern. These anticyclones induce warm and dry conditions from the surface to the mid-troposphere. The CAW can drive heatwaves and wildfires; wildfire smoke also emits aerosols that increase PM2.5 in and around the Arctic
02 Jun 2021
Scientists have uncovered a summertime climate pattern in and around the Arctic that could drive co-occurrences of European heatwaves and large-scale wildfires with air pollution over Siberia and subpolar North America.
01 Jun 2021
Researchers from the Institute of Industrial Science at The University of Tokyo, Kobe Steel, Ltd, and Kobelco Research Institute, Inc, develop high-density, energy-efficient 3D embedded RAM for artificial intelligence applications.
IMAGE
31 May 2021
High-resolution genome structural analyses combined with large-scale simulations show the arrangements of the genome’s spool-like structures affecting gene expression.
A female yakushika deer on Yakushima Island (Photo: Yoshimi Agetsuma-Yanagihara).
31 May 2021
Scientists have shown that the population of the Yakushima sika deer has declined due to natural factors, suggesting that the population can be regulated without culling.
29 May 2021
A look at Japan’s mimamoru approach suggests that adults’ non-intervention in kids’ fights allows children to nurture social and interpersonal skills on their own. Is it worth a try in other countries?
Arabidopsis plants used in one of the experiments during the study (Photo by Takeo Sato).
28 May 2021
Scientists from Japan, Europe and the USA have described a pathway leading to the accelerated flowering of plants in low-nitrogen soils. These findings could eventually lead to increases in agricultural production.
25 May 2021
Researchers at The University of Tokyo Institute of Industrial Science repurpose food waste to build materials with a bending strength comparable to concrete and that still taste good
24 May 2021
In collaboration with Kanazawa University, researchers from Osaka City University used high-speed atomic force microscopy (HS-AFM) to visualize at the nanometer level the movement of individual particles within the parasitic bacterium Mycoplasma mobile. After confirming the outline on the surface of the cell structure in an immobilized state with previous data gathered from electron microscopy, the team succeeded in visualizing the real-time movements of the internal structure by scanning the outside of the cell with HS-AFM.
Infants could identify two faces when the temporal interval between them was 800 ms, but they could identify only the first target (overlooked the second target) when the separation was 200 ms, thus demonstrating the attentional blink
21 May 2021
Chuo University and Hokkaido University researchers have found that infants take less than a second to completely process visual information and have the same temporal limitation in processing visual information as seen in adults.
21 May 2021
Scientists from Hokkaido University have discovered a novel defensive response to SARS-CoV-2 that involves the viral pattern recognition receptor RIG-I. Upregulating expression of this protein could strengthen the immune response in COPD patients.
19 May 2021
Scientists from Hokkaido University have shown that an antigen-based test for quantifying SARS-CoV-2 in saliva samples is simple, rapid, and more conducive for mass-screening.
19 May 2021
Dr. Kazuhiro Ohtani is a certified public psychologist and a lecturer at Hokkaido University’s Graduate School of Education. His main research interest is the academic motivations of Japanese students, especially adolescents. He believes that children in the age range of puberty are more prone to depression, which often leads to the loss of academic motivation.
Insoluble reactants are hardly reactive in solution, but may react in solvent-free systems using ball milling to drive chemical reactions in the solid state
18 May 2021
Scientists from Hokkaido University have developed a rapid, efficient protocol for cross-coupling reactions, vastly expanding the pool of chemicals that can be used for the synthesis of useful organic compounds.
Two distinct biodiversity refugia (inset map, top panel) for marine communities (159 fish and invertebrate species) in the Eastern Bering Sea from 1990-2018
17 May 2021
Scientists from Hokkaido University have used species survey and climate data to identify two marine biodiversity refugia in the Eastern Bering Sea – regions where species richness, community stability and climate stability are high.
14 May 2021
Upcoming Solar System exploration missions will search for extraterrestrial (ET) life, but ET life may not be like Earth life. A new mass spectrometry analysis technique may allow for process-based ways to find ET life that is compositionally alien.
A close-up of a bridge, showing deteriorated asphalt pavement and concrete
13 May 2021
Scientists reveal that the deterioration of modern concrete and asphalt structures is due to the presence of trace quantities of organic matter in these structures.
fuel cell diagram
13 May 2021
Controlling the organization of molecules within polymer membranes could lead to more efficient fuel cells.
13 May 2021
Researchers from the Institute of Industrial Science, The University of Tokyo have shown how glasses that apparently look frozen can crystallize, which could contribute to the improvement of the stability of glassy materials
12 May 2021
Molecular interactions within gels and rubbers can be controlled to fabricate stronger and more elastic materials.
12 May 2021
An artificial intelligence approach extracts how an aluminium alloy’s contents and manufacturing are related to specific mechanical properties.

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