Researchers have now been able to study the surface of iron and ruthenium catalysts when ammonia is formed from nitrogen and hydrogen. A better knowledge of the catalytic process and the possibility of finding even more efficient materials opens the door for a green transition in the currently very CO2-intensive chemical industry.
Researchers have created the world's largest ancient human gene bank by analyzing the bones and teeth of almost 5,000 humans who lived across western Europe and Asia up to 34,000 years ago. By sequencing ancient human DNA and comparing it to modern-day samples, the international team of experts mapped the historical spread of genes -- and diseases -- over time as populations migrated. They found: The startling origins of neurodegenerative diseases including multiple sclerosis; why northern Europeans today are taller than people from southern Europe; and how major migration around 5,000 years ago introduced risk genes into the population in north-western Europe -- leaving a legacy of higher rates of MS today.
Researchers have achieved real-time capture of the ionization process and subsequent structural changes in gas-phase molecules through an enhanced mega-electronvolt ultrafast electron diffraction (MeV-UED) technique, enabling observation of faster and finer movements of ions.
Be fast, avoid light, and roll through a curvy ramp: This is the recipe for a pioneering experiment proposed by theoretical physicists. An object evolving in a potential created through electrostatic or magnetic forces is expected to rapidly and reliably generate a macroscopic quantum superposition state.
Researchers have been studying the effects of climate change on coral reefs. Monitoring two coral species off the coast of Hawaii, one team found that local adaptations in response to near-severe heat stress allowed certain populations to endure such events.
The RS2 antigen can also be stored at room temperature for a month without the need for cold storage, unlike many vaccines in the market which require mandatory cold storage
The announcement came a day after a U.S. company abandoned a lunar landing planned for Feb. 23
Without drastically reducing global emissions, the Antarctic Ocean could become too acidic for hundreds of species living there, many already endangered by rising temperatures and sea ice loss.
The genomic analysis of 52 Psilocybe specimens includes 39 species that have never been sequenced. Psilocybe arose much earlier than previously thought -- about 65 million years ago -- and the authors found that psilocybin was first synthesized in mushrooms in the genus Psilocybe. Their analysis revealed two distinct gene orders within the gene cluster that produces psilocybin. The two gene patterns correspond to an ancient split in the genus, suggesting two independent acquisitions of psilocybin in its evolutionary history. The study is the first to reveal such a strong evolutionary pattern within the gene sequences underpinning the psychoactive proteins synthesis.
New research delves into the intricate defense mechanisms of tomatoes against the notorious bacterial pathogen, Pseudomonas syringae pv. tomato (Pst). It's a classic tale of nature's arms race: as pathogens evolve to outsmart plant defenses, plants counter with more sophisticated immune responses.
In an effort to make the internet more accessible for people with disabilities, researchers have begun developing an artificial intelligence agent that could complete complex tasks on any website using simple language commands.
Astronomers have found a brown dwarf (an object more massive than Jupiter but smaller than a star) with infrared emission from methane, likely due to energy in its upper atmosphere. This is an unexpected discovery because the brown dwarf, W1935, is cold and lacks a host star; therefore, there is no obvious source for the upper atmosphere energy. The team speculates that the methane emission may be due to processes generating aurorae.
A team of astronomers has unraveled the enigmatic atmosphere of the exoplanet HAT-P-18 b, shedding light on its intriguing blend of gases, clouds, and even the effects of its star's activity.
RSV, a common infection in children and the elderly thought to only infect the respiratory tract, can also infect nerve cells and cause nerve damage, according to a new study. The findings could have major implications about whether RSV could be connected to neurological or developmental disorders.
Researchers have discovered that a protein called phosphorylated -synuclein, which is associated with several neurodegenerative diseases such as Parkinson's disease and Lewy body dementia, is also involved in the normal processes of how neurons communicate with each other in a healthy brain.
Biomedical engineers set the foundation for a ground-breaking treatment regimen for treating ventricular arrhythmia. The study demonstrates the design and feasibility of a new hydrogel-based pacing modality. The scientific advance is significant considering pain management is highly relevant to overall wellness for patients with heart, lung, and blood diseases. Such innovation in painless defibrillation and preventing arrhythmia could revolutionize cardiac rhythm management.
A new discovery takes its inspiration from Greek mythology. The compound is described as a chimera, because it battles a toxic cause of Parkinson's in two ways.
Chronic pain can present in multiple forms for multiple sclerosis patients. Some forms make it harder to stay active than others.
Researchers have developed a new theoretical model explaining one way to make black silicon. The new etching model precisely explains how fluorine gas breaks certain bonds in the silicon more often than others, depending on the orientation of the bond at the surface. Black silicon is an important material used in solar cells, light sensors, antibacterial surfaces and many other applications.
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