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Results 141 - 160 of 527.
Using innovative technologies and scientific expertise to help people in need is the goal of the Engineering for Humanitarian Action initiative launched by the ICRC, ETH Zurich and EPFL in 2020. Six of the projects are already offering results for tangible improvements for the ICRC. "By highlighting key sustainability principles in a simple way, the tool will help us make more informed decisions when designing our construction projects," says ICRC's Pavlos Tamvakis.
The survival chances of group members are often greater in large than in small groups. In some species, non-reproducing group members therefore help raising offspring, even if they are unrelated. In an experimental study, researchers at the University of Bern investigated this seemingly altruistic behavior in cooperatively breeding fishes.
The composite containers developed by AELER, an EPFL startup, deliver better performance across the board: they're stronger, have a bigger payload, are better insulated, allow for enhanced tracking and can help cut carbon emissions.
The approach and landing of passenger jets is often a burden for people and the environment. The DYNCAT project, in which researchers are working with partners in Switzerland, Germany and France, is aiming at approaches that cause less noise and CO2 emissions - thanks to intelligent assistance systems for the pilots.
A team from the University of Geneva deciphers the three-step mechanism that allows our body to defend itself against hepatitis B. Confocal microscopy images showing in the cell nucleus (blue), the recruitment of Smc5/6 (green) by SLF2 (red) into PML bodies. UNIGE - Laboratory of Professor Michel Strubin - Regulation of hepatitis B virus gene expression - Department of Microbiology and Molecular Medicine.
Materials scientists Nicole Kleger and Simona Fehlmann have developed a 3D printing process for creating salt templates that they can fill with other materials. One area of application is the creation of highly porous lightweight metal components. The two Pioneer Fellows are now trying to transfer this process to industry.
Neural networks are learning algorithms that approximate the solution to a task by training with available data. However, it is usually unclear how exactly they accomplish this. Two young Basel physicists have now derived mathematical expressions that allow one to calculate the optimal solution without training a network.
Since Darwin, we have known that evolutionary adaptation is reflected in the appearance and function of species' bodies under environmental changes. One of the questions commonly asked by evolutionary biologists is how body shape relates to a specific ecological feature, such as diet. In a recent study published in the journal Evolution , Guilherme Hermanson and his team at the University of Freiburg looked at the environmental factors that affect the shape of turtle skulls.
Good news from Antarctica: researchers have examined emperor penguins and found no evidence of microplastics in their stomachs. The study, conducted by the University of Basel and the Alfred-Wegener Institute, is an important assessment of environmental pollution at the South Pole. The researchers studied a colony of emperor penguins in Atka Bay, a remote area on the northeastern edge of the Ekström Ice Shelf.
Metabolism is essential to all living organisms, and modeling the chemical reactions that sustain life is no easy task. Now, scientists have released REKINDLE, paving the way for more efficient and accurate modeling of metabolic processes thanks to deep-learning. The way an organism metabolizes nutrients is a complex process.
To reduce rail noise for residents, noise barriers or quieter wheel systems and brakes are not the only options. An inconspicuous component under the railway tracks is a beacon of hope for quieter rail traffic for a team of researchers with Empa involvement - and first tests on passing trains show a positive effect.
Mutations in a certain molecule result in severe damage in the structure and mineral composition of tooth enamel in mice, according to a study conducted at the UZH Center of Dental Medicine. The researchers combined genetic, molecular and imaging techniques. Enamel is the hardest organic tissue found in nature.
Researchers from ETH Zurich are studying how alpine vegetation is responding to a warming climate - and how some plant communities are continuing to stand firm against newcomers from lower elevations. A glance down the vertiginous slope is enough to create a dizzying sensation of being airborne. Far below is the city of Chur, with tiny cars beetling among toy houses.
Astronomical observations from ground-based telescopes are sensitive to local atmospheric conditions. Anthropogenic climate change will negatively affect some of these conditions at observation sites around the globe, as a team of researchers led by the University of Bern and the National Centre of Competence in Research (NCCR) PlanetS report.
Cooling materials to extremely low temperatures is important for basic physics research as well as for technological applications. By improving a special refrigerator and a low-temperature thermometer, Basel scientists have now managed to cool an electric circuit on a chip down to 220 microkelvin - close to absolute zero.
Protein scissors for more effective cancer treatment
Biologist Daniel Richter has developed a method that enables proteins to be linked to a drug molecule or biomarker with a high level of stability. He plans to use this method in the future to identify tumor cells and open the door to more effective cancer drugs. White surfaces, brightly colored liquids in glass containers and appliances that wouldn't look out of place in the average kitchen.
Biologist Daniel Richter has developed a method that enables proteins to be linked to a drug molecule or biomarker with a high level of stability. He plans to use this method in the future to identify tumor cells and open the door to more effective cancer drugs. White surfaces, brightly colored liquids in glass containers and appliances that wouldn't look out of place in the average kitchen.
The smallest of all plastic particles have remained largely unexplored until now, because they could not be detected in the environment. Now researchers at Eawag show: Nanoplastics stick to slimy biofilms, which can for example be found on stones in streams or rivers. When freshwater snails feed on the slime, the nanoplastics are taken up.
An international collaboration led by researchers from the University of Bern and the University of Queensland in Australia has demonstrated that chemical compounds containing special metals are highly effective in fighting dangerous fungal infections. These results could be used to develop innovative drugs which are effective against resistant bacteria and fungi.
Cancer cells resemble stem cells in being extremely adaptable. University of Basel researchers have identified compounds that artificially mature breast cancer cells of the highly aggressive triple negative subtype and convert them to a state that resembles normal cells. Cancer occurs when cells grow uncontrollably and spread to other organs in the body.
Engineers at EPFL's Electromagnetic Compatibility Laboratory have developed a revolutionary method for detecting and locating partial discharges, which disrupt the functioning of power transformers. Transformers play a central role in power distribution systems, making it possible to carry electric power over long distances with minimal risk and losses.
