- PhysOrg
- 20/8/24 22:26
A team of researchers from University of Toronto Engineering and the University of Michigan has redesigned and enhanced a natural enzyme that shows promise in promoting the regrowth of nerve tissue following injury.
A team of researchers from University of Toronto Engineering and the University of Michigan has redesigned and enhanced a natural enzyme that shows promise in promoting the regrowth of nerve tissue following injury.
In the wake of the George Floyd killing and other incidents of racially motivated police violence, communities across the country are examining the practices of their local police departments more closely. Some are undertaking comprehensive training and education programs to address racial bias on their forces.
How does toothpaste stay in its tube and not ooze out when we remove the cap? What causes seemingly solid ground to suddenly break free into a landslide? Defining exactly how soft materials flow and seize has eluded researchers for years, but a new study explains this complex motion using relatively simple experiments. The ability to define—and eventually predict—soft material flow will...
Endangered green sea turtles will have some of their nesting beaches in Florida protected by federal agencies under a new legal agreement with conservation groups.
As Tropical Storm Laura continues to move through the Caribbean Sea NASA satellites are providing forecasters with visible, infrared and microwave data. Laura continued to move through the Caribbean Sea on a march toward the Gulf of Mexico.
Once in a while, over the history of life, a new trait evolves that leads to an explosion of diversity in a group of organisms. Take wings, for instance. Every group of animals that evolved them has spun off into a host of different species—birds, bats, insects and pterosaurs. Scientists call these "key innovations."
In order to deliver drug particles to the right place in the body—a field known as nanomedicine—selectivity plays an important role. After all, the drug only has to attach itself to the cells that need it. A theory from 2011 predicts that selectivity is not only based on the type of receptor, but also on the number and strength of the receptors on the cell. Researchers at Eindhoven University...
Biofuel and bioenergy systems are integral to scenarios for displacing fossil fuel use and producing negative emissions through carbon capture and storage. But the net greenhouse gas mitigation benefit of these systems has been controversial, due to concerns around carbon losses from changes in land use and foregone sequestration benefits from alternative land uses.
Soil loss due to water runoff could increase greatly around the world over the next 50 years due to climate change and intensive land cultivation. This was the conclusion of an international team of researchers led by the University of Basel, which published the results from its model calculation in the scientific journal PNAS.
Each person's gut virus composition is as unique as a fingerprint, according to the first study to assemble a comprehensive database of viral populations in the human digestive system.
The broken stem of a Japanese-owned ship which ran aground causing a devastating oil spill in pristine waters off Mauritius, has been successfully sunk in the open ocean, the national crisis committee said Monday.
Tropical Storm Laura brushed Cuba's southern coast Monday on its way to the United States, where officials predicted it would worsen to a hurricane ahead of its landfall after leaving 13 people dead as it ripped through the Caribbean.
When algae and bacteria with different swimming gaits gather in large groups, their flocking behavior diminishes, something that may reduce the risk of falling victim to aquatic predators. This finding is presented in an international study led from Lund University in Sweden.
The intervertebral discs connect the vertebrae and give the spine its mobility. The disc consists of a cartilaginous fibrous ring and a gelatinous core as a buffer. It has always been assumed that only humans and other mammals have discs. A misconception, as a research team under the leadership of the University of Bonn has now discovered: Even Tyrannosaurus rex could have suffered a slipped disc....
Paleontologists from the Natural History Museums in Luxembourg and Maastricht have discovered a previously unknown species of brittle star that lived in the shallow, warm sea which covered parts of the present-day Netherlands at the end of the dinosaur era. The starfish-like creature was unearthed more than 20 years ago but has only now been identified as new to science. The name of the new fossil...
An amazing construction method for curved structures was developed at TU Wien (Vienna): With a flick of the wrist, flat grids become a 3-D shape.
Inspired by the same modeling and mathematical laws used to predict the spread of pandemics, researchers at Texas A&M University have created a model to accurately forecast the spread and recession process of floodwaters in urban road networks. With this new approach, researchers have created a simple and powerful mathematical approach to a complex problem.
Roughly 1 billion cars and trucks zoom about the world's roadways. Only a few run on hydrogen. This could change after a breakthrough achieved by researchers at the University of Copenhagen. The breakthrough? A new catalyst that can be used to produce cheaper and far more sustainable hydrogen powered vehicles.
More than 650 wildfires are blazing in California after unprecedented lightning strikes, storms, and a heatwave that has set new records in the state and NASA's Terra satellite captured the smoke-engulfed state on Aug. 24, 2020.
Every hour, the sun saturates the earth with more energy than humans use in a year. Harnessing some of this energy to meet global demand has become a grand challenge, with the world poised to double its energy consumption in just thirty years.
Antibiotics are among the most important discoveries of modern medicine and have saved millions of lives since the discovery of penicillin almost 100 years ago. Many diseases caused by bacterial infections—such as pneumonia, meningitis or septicemia—are successfully treated with antibiotics. However, bacteria can develop resistance to antibiotics which then leaves doctors struggling to find...
A new study in the field of biophysics has revealed how large molecules are able to enter the nucleus of a cell. A team led by Professor Edward Lemke of Johannes Gutenberg University Mainz (JGU) has thus provided important insights into how some viruses, for example, can penetrate into the nucleus of a cell, where they can continue to proliferate and infect others. They have also demonstrated that...
A lens that is a thousand times thinner than a human hair has been developed in Brazil by researchers at the University of São Paulo's São Carlos School of Engineering (EESC-USP). It can serve as a camera lens in smartphones or be used in other devices that depend on sensors.
New research from Ghana shows less popular methods of biochar application are more effective in promoting cowpea growth and yield. The article, "Method of biochar application affects growth, yield and nutrient uptake of cowpea" was published in the De Gruyter open access journal Open Agriculture.
The valleys of two-dimensional transition metal dichalcogenides (TMDCs) offer a new degree of freedom for information processing and have attracted tremendous interest for their possible applications in valleytronics. To develop valleytronics devices based on TMDCs, effective approaches to separate valleys in the near or far field are indispensable. In recent research, kinds of nanostructures are...