Charge-recharge cycling of lithium-superrich iron oxide, a cost-effective and high-capacity cathode for new-generation lithium-ion batteries, can be greatly improved by doping with readily available mineral elements.
Samples reveal evidence of changes experienced by the surface of asteroid Ryugu, some probably due to micrometeoroid bombardment.
Chemical and heat treatment of sewage sludge can recover phosphorus in a process that could help address the problem of diminishing supplies of phosphorus ores.
As wildfires in Siberia become more common, global climate modeling estimates significant impacts on climate, air quality, health, and economies in East Asia and across the northern hemisphere.
Meandering ocean currents play an important role in the melting of Antarctic ice shelves, threatening a significant rise in sea levels.
Genetic analysis finds evidence suggesting that acoustic fat bodies in the heads of toothed whales were once the muscles and bone marrow of the jaw.
The lipids in some herbal teas have been identified in detail for the first time, preparing the ground for investigating their contribution to the health benefits of the teas.
A case study on the effects of open waste burning on air quality in Northwestern Greenland calls attention to the importance of no-one-left-behind sustainable air quality monitoring in the Arctic region.
Cellulose, abundantly available from plant biomass, can be converted into molecules used to make a new class of recyclable polymers, to sustainably replace some plastics.
Acoustic recordings of a colony of little auks reveal their nocturnal activities and offer valuable monitoring means for avian biology in the Arctic.
A new study highlights a potential therapeutic target for immune-related disorders, such as multiple sclerosis and asthma.
Molecules that are induced by light to rotate bulky groups around central bonds could be developed into photo-activated bioactive systems, molecular switches, and more.
The effects of a phenomenon called tree masting on ecosystems and food webs can be better understood thanks to new theoretical models validated by real world observations.
Regenerative therapy to treat heart failure is more effective when the mitochondria of the regenerative cells are activated prior to treatment.
Theoretical predictions have been confirmed with the discovery of an outflow of molecular gas from a quasar when the Universe was less than a billion years old.
Modeling shows that stratospheric aerosol injection has the potential to reduce ice sheet loss due to climate change.
A new technology to increase visibility of cancer cells to the immune system using CRISPR has been developed, and could lead to a new way to treat cancer.
A water-soluble, luminescent europium complex enables evaluation of malignancy grade in model glioma tumor cells.
Temperature-controlled, reversible shifting of molecular gear motion in a solid crystal opens new possibilities for material design.
Transmitting an effect known as a domino reaction using redox chemistry has been achieved for the first time.
Researchers employ common plastics to kickstart radical chain reactions, creating a way to reuse plastic waste while improving process safety and efficiency.
A previously mysterious small RNA molecule in mice is found to play a crucial role in gene expression, and may be the first identified member of a new class of regulatory RNAs.
A new bacterial species discovered at the deep-sea hydrothermal vent site ‘Crab Spa’ provides a deeper understanding of bacterial evolution.
Cancer stem cells cause the aging of macrophages in mice with healthy immune systems, creating conditions for the formation of tumors.
Research from Osaka University demonstrates a nanopore-based technique that can detect different variants of SARS-CoV-2, the virus that causes COVID-19. The method was very effective in detecting the Omicron variant of the virus in the saliva of people with COVID-19.
Pair-bonded Java sparrows show enlarged eye rings to signal breeding readiness.
Layered lithium cobalt oxide, a key component of lithium-ion batteries, has been synthesized at temperatures as low as 300°C and durations as short as 30 minutes.
A broad-spectrum antiviral drug candidate, 2-thiouridine, that targets positive-strand RNA viruses has been identified and characterized.
Acoels have been found to host a wide diversity of symbiotic, photosynthetic microalgae.
Solid materials are generally known to be rigid and unmoving, but scientists are turning this idea on its head by exploring ways to incorporate moving parts into solids.
Concave, umbrella-like metal complexes provide space to enable the largest molecular rotor operational in the solid-state.
Lab-based studies reveal how carbon atoms diffuse on the surface of interstellar ice grains to form complex organic compounds, crucial to reveal the chemical complexity in the universe.
Systematic copper doping boosts all-solar utilization in tungstic acid nanocrystals.
An international team of scientists has successfully conducted large-scale helicopter-based observations along the coast of East Antarctica and has identified pathways through which warm ocean water flows from the open ocean into ice shelf cavities for the first time.
Elusive fundamental particles called neutrinos are predicted to interact unexpectedly with photons under extreme conditions.
Assistant Professor Kohei Matsuno of the Faculty of Fisheries Sciences spoke about how climate change is changing the distribution and ecology of marine plankton and what impact this will have on higher-trophic predators, including humans.
Machine learning model provides quick method for determining the composition of solid chemical mixtures using only photographs of the sample.
Associate Professor Masaaki Kitajima of Hokkaido University, Shionogi & Co., and AdvanSentinel Ltd. were bestowed with the Minister of State for Health and Medical Strategy Award of the 6th Japan Medical Research and Development Grand Prize.
Anti-estrogenic therapies can suppress the growth of cancer that does not express estrogen receptors; when combined with immune checkpoint inhibitor therapies, they halt tumor progression in mice models.
Associate Professor Yoshi N. Sasaki, a specialist in Physical Oceanography, is involved in research into rising sea levels—particularly in coastal areas of Japan. He spoke about what he has learned so far about the relationship between ocean currents, sea level and climate change, what research he is currently focusing on, and the appeal of research that uses numerical modeling to uncover natural phenomena.
Hokkaido University researchers found that tiny nematode worm larvae surf electric fields to hitch rides on passing insects.
Home is where the heart is, and a well-designed home is key for well-being. For Associate Professor Rie Nomura (Laboratory of Architecture and Planning, Graduate School of Engineering), every society needs to recognize this fundamental aspect of human life, and contribute to the improvement of human lives through architecture and urban planning.
Molecules that act as connected wheels can hold long molecular chains together to modify the properties of soft polymers.
An exquisitely preserved fossil forest from Japan provides missing links and helps reconstruct a whole Eurasia plant from the late Miocene epoch.
The entire biosynthetic pathway of actinopyridazone has been unveiled, revealing that an unprecedented carrier protein-mediated ring-forming step is key to its synthesis.
A new online platform to explore computationally calculated chemical reaction pathways has been released, allowing for in-depth understanding and design of chemical reactions.
A combination of radiotherapy followed by immunotherapy is a promising strategy for the treatment of oral malignant melanomas in dogs.
Associate Professor Tomohisa Yamashita and his colleagues at the Laboratory of Harmonious Systems Engineering devote their research to Artificial Intelligence (AI) for the benefit of human happiness. One of their breakthroughs is the birth of Issa-kun, a haiku generator.
Acoustic signals can be effectively used for monitoring glacial runoff and provide a cheaper and more accessible alternative to existing methods.
A new drug delivery system delivers an antioxidant directly to mitochondria in the liver, mitigating the effects of oxidative stress.
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