Add BrightSurf on Google Email

ETH Zurich


Record-breaking laser pulses

Researchers at ETH Zurich have set a new record for the strongest laser pulses, surpassing previous records by over 50%, using a special arrangement of mirrors and a semiconductor mirror. The pulses can be used to create high harmonic frequencies up to X-rays, enabling fast processes in the attosecond range.

SourceETH Zurich·JournalOptica·DateOct 11, 2024

A stiff material that stops vibrations and noise

Researchers at ETH Zurich have developed a material that combines stiffness and damping properties, making it suitable for various applications. The new composite material features layers of stiff materials connected by ultra-thin rubber-like layers, resulting in excellent vibration-damping performance.

SourceETH Zurich·JournalComposites Part B Engineering·TypeExperimental study·DateOct 10, 2024

How a bacterium becomes a permanent resident in a fungus

A team of researchers led by Julia Vorholt at ETH Zurich initiated laboratory partnerships between bacteria and fungi to study the beginnings of an endosymbiotic relationship. They found that when certain bacteria are passed on to the next generation of fungi through spores, the fungus adapts and becomes more inhabited.

SourceETH Zurich·JournalNature·DateOct 2, 2024

Antidepressant shows promise for treating brain tumors

Researchers at ETH Zurich have found an antidepressant, vortioxetine, effective against glioblastomas, a particularly aggressive brain tumor with no cure. The drug's ability to cross the blood-brain barrier and trigger a signalling cascade makes it promising for treating this deadly tumour.

SourceETH Zurich·JournalNature Medicine·TypeComputational simulation/modeling·DateSep 20, 2024

How Ukraine can rebuild its energy system

Researchers have identified Ukraine's renewable potential as exceeding the generation capacity destroyed during the war. The study recommends developing a distributed power supply system and investing in solar and wind energy, particularly in the south and east of the country.

SourceETH Zurich·JournalJoule·DateSep 18, 2024

New method in the fight against forever chemicals

Researchers at ETH Zurich have developed a new method to degrade perfluorooctane sulfonates (PFOS), a subgroup of forever chemicals. Using piezocatalysis, the team was able to break down 90.5% of PFOS molecules in water samples, offering a potential solution to environmental pollution.

SourceETH Zurich·JournalSmall Science·DateSep 13, 2024

One-way street for sound waves

A team of researchers at ETH Zurich created a method to suppress sound wave propagation in the backward direction without deteriorating forward propagation. They achieved this using self-oscillations and a circulator, which allows sound waves to travel only one way.

SourceETH Zurich·JournalNature Communications·DateSep 6, 2024

Flexible tentacle electrodes precisely record brain activity

Researchers at ETH Zurich have developed ultra-flexible tentacle electrodes that can precisely record brain activity over extended periods, enabling detailed analysis of neural activity. The technology has the potential to diagnose and treat neurological disorders such as epilepsy, depression, and schizophrenia.

SourceETH Zurich·JournalNature Communications·DateSep 4, 2024

Chemical plastics recycling is ready to go

Scientists at ETH Zurich have developed a new method for chemical plastics recycling that breaks down long-chain polymer molecules into monomers, creating high-quality plastics. The approach involves adding a powdered catalyst to molten plastic and stirring it with an impeller, resulting in improved mixing and fewer byproducts.

SourceETH Zurich·JournalNature Chemical Engineering·DateAug 28, 2024

Operating from 9,300km away

A team at ETH Zurich successfully conducted the first remote-controlled magnetic endoscopy procedure across a 9,300km distance. The procedure allowed for precise navigation and manipulation of a probe in a live pig's stomach via a joystick controlled by an operator in Zurich.

SourceETH Zurich·JournalAdvanced Intelligent Systems·DateAug 26, 2024

Separating the physical and psychosocial causes of pain

Researchers developed an approach to clearly separate physical and psychosocial components of pain, allowing for more targeted treatment. The new method combines measuring body signals, self-disclosure, and computerized evaluation to create two indices: one for physical component and one for psychosocial component.

SourceETH Zurich·JournalMed·DateAug 21, 2024

Planets contain more water than thought

Researchers found that as planet mass increases, water tends to integrate with the iron core, leading to a reevaluation of astronomical observation data and planetary habitability. This discovery has significant implications for the study of Super-Earths and the search for life beyond Earth.

SourceETH Zurich·JournalNature Astronomy·DateAug 20, 2024

Beige fat cells with a “Sisyphus mechanism”

Researchers have discovered a new type of beige fat cells that consume energy and produce heat through a futile-cycle mechanism, known as the 'Sisyphus mechanism'. These cells are found in adults and help break down excess fat, leading to improved metabolic health and reduced risk of obesity.

SourceETH Zurich·JournalCell Metabolism·DateAug 14, 2024

Millions of years for plants to recover from global warming

A study by ETH Zurich scientists found that global warming's effects on plant recovery can last for thousands to millions of years. The research team discovered that the severity of climate shifts and the speed at which carbon is sequestered affect the duration of climate warming.

SourceETH Zurich·JournalScience·TypeComputational simulation/modeling·DateAug 8, 2024

Sport or snack? How our brain decides

Studies in mice reveal that orexin plays a key role in deciding between physical activity and consuming food, particularly when both options are available. By understanding this process, scientists aim to develop strategies to overcome exercise barriers and address the global obesity epidemic.

SourceETH Zurich·JournalNature Neuroscience·TypeExperimental study·DateAug 6, 2024

Preventing cancer cells from colonizing the liver

Cancer cells can attach themselves to liver cells when specific proteins are present, allowing them to colonize and form new tumors. This discovery provides insights into the metastatic process and may lead to potential treatments that prevent cancer from establishing new tumors.

SourceETH Zurich·JournalNature·TypeExperimental study·DateJul 24, 2024

A hydrogel implant to treat endometriosis

Researchers at ETH Zurich developed a hydrogel implant to treat endometriosis by preventing retrograde menstruation and acting as a barrier to sperm. The implant can be easily destroyed and is compatible with native tissue, offering a promising non-surgical solution for women suffering from the condition.

SourceETH Zurich·JournalAdvanced Materials·DateJul 17, 2024

How climate change is altering the Earth’s rotation

Research finds climate change is slowing down Earth's rotation by a few milliseconds, with implications for navigation in space. The study also reveals polar motion changes caused by melting ice sheets and internal movements of the Earth's core.

SourceETH Zurich·JournalProceedings of the National Academy of Sciences·DateJul 15, 2024

Mining rare earth metals from electronic waste

A team of researchers has developed a simple and efficient method to separate and recover rare earth metals from complex mixtures, including Europium. This approach uses tetrathiometallates to reduce the need for chemical- and energy-intensive separation processes, making it a more environmentally friendly and economically viable option.

SourceETH Zurich·JournalNature Communications·DateJul 9, 2024

An alternative way to manipulate quantum states

Researchers at ETH Zurich have successfully manipulated quantum states of single electron spins using spin-polarized currents. This method, which bypasses traditional electromagnetic fields, has the potential to control quantum states with unprecedented precision and localizability.

SourceETH Zurich·JournalScience·DateJul 2, 2024

New class of Mars quakes reveals daily meteorite strikes

Researchers estimate that between 280 to 360 meteorites strike Mars each year, forming impact craters greater than 8 meters across. The study uses seismic data from the NASA InSight Mission to make this estimate, which is five times higher than previously thought.

SourceETH Zurich·JournalNature Astronomy·TypeData/statistical analysis·DateJun 28, 2024

Why people resort to lynching

A new dataset reveals that lynchings in Latin America are often triggered by alleged theft or murder, with groups of 20-99 individuals involved. Close-knit community ties and peer pressure play a significant role in ordinary civilians taking part in acts of violence against alleged wrongdoers.

SourceETH Zurich·JournalAmerican Sociological Review·DateJun 25, 2024

Gold membrane coaxes secrets out of surfaces

Researchers developed a thin gold membrane with pores to selectively amplify Raman signals from surfaces, enabling the study of surfaces for the first time. This breakthrough improves the efficiency and degradation behavior of batteries, catalysts, and solar cells.

SourceETH Zurich·JournalNature Communications·DateJun 25, 2024

New gel breaks down alcohol in the body

Researchers at ETH Zurich have developed a protein gel that quickly and efficiently breaks down alcohol in the gastrointestinal tract. The gel converts alcohol into acetic acid, reducing its harmful effects on the body.

SourceETH Zurich·JournalNature Nanotechnology·DateMay 16, 2024

Using solar energy to generate heat at high temperatures

Scientists at ETH Zurich have engineered a thermal trap that can deliver heat at temperatures of over 1000 degrees Celsius using solar radiation. This technology has the potential to decarbonize energy-intensive industries on a large scale, making it an important step towards reducing greenhouse gas emissions.

SourceETH Zurich·JournalDevice·DateMay 16, 2024

Using solar energy to generate heat at high temperatures

Researchers at ETH Zurich have engineered a thermal trap to deliver heat at high temperatures needed for industrial processes, overcoming the challenge of fossil fuels. The device, which uses solar radiation, absorbs sunlight and converts it into heat, minimizing radiative heat losses and increasing efficiency.

SourceETH Zurich·JournalDevice·TypeExperimental study·DateMay 15, 2024

Mosaic grassland landscapes are the most beneficial

Researchers found that extensive, unfertilized grasslands promote biodiversity and soil protection, while pastures and meadows provide cultural services. The study suggests a combination of different grassland types is necessary to sustain all ecosystem services.

SourceETH Zurich·JournalNature Communications·DateMay 14, 2024

New gel breaks down alcohol in the body

Researchers at ETH Zurich developed a protein gel that breaks down alcohol in the gastrointestinal tract, reducing blood alcohol levels and acetaldehyde production. The gel shows promising results in mice studies, demonstrating a lower alcohol level and therapeutic effect on liver damage and weight loss.

SourceETH Zurich·JournalNature Nanotechnology·TypeExperimental study·DateMay 13, 2024

Electron vortices in graphene detected

Researchers at ETH Zurich directly detected electron vortices in graphene using a high-resolution magnetic field sensor. The vortices formed in small circular disks with different diameters and were observed to reverse the flow direction.

SourceETH Zurich·JournalScience·DateMay 13, 2024

Solving physics puzzles with colored dots

Researchers at ETH Zurich and Harvard/Princeton used quantum pointillism to study complex quantum systems made of interacting particles. They observed the formation of spin polarons, which are crucial for understanding magnetic behavior in materials.

SourceETH Zurich·JournalNature·DateMay 8, 2024

Blood diagnostics modelled on leeches

Researchers at ETH Zurich have developed a new device for taking blood samples using the leech principle, reducing invasiveness and increasing reliability. The device is made of silicone and steel microneedles, with plans to create biodegradable versions in the future.

SourceETH Zurich·JournalAdvanced Science·DateMay 2, 2024

How the plant world shapes the climate cycle

Researchers have found that plants help regulate the planet's atmosphere by trapping carbon and emitting oxygen, acting as a buffer against rapid climate changes. However, when climate shifts too fast for vegetation to adapt, it can lead to mass extinctions and extreme environmental changes.

SourceETH Zurich·JournalScience Advances·TypeComputational simulation/modeling·DateApr 30, 2024

AI designs new drugs based on protein structures

Researchers at ETH Zurich have developed an AI algorithm that can design new active pharmaceutical ingredients by analyzing protein structures. The algorithm generates blueprints for potential drug molecules that increase or inhibit protein activity, reducing the need for lengthy discovery processes and minimizing side effects.

SourceETH Zurich·JournalNature Communications·DateApr 24, 2024

Bacteria for climate-neutral chemicals of the future

Researchers at ETH Zurich have developed a new method to produce chemicals using bacteria that feed on methanol, a renewable resource. The microbes can efficiently convert methanol into desired biochemical substances, offering a sustainable alternative to fossil-based chemicals.

SourceETH Zurich·JournalNature Catalysis·DateApr 23, 2024

Surprising reversal in quantum systems

Scientists at ETH Zurich create an artificial solid with switched-on interactions using magnetic fields, observing surprising topological effects. The study reveals the ability to transport particles by one lattice site, mimicking a screw's motion, and demonstrates robustness against disorder.

SourceETH Zurich·JournalScience·DateApr 19, 2024

Twisted pollen tubes induce infertility

Researchers at ETH Zurich discovered a previously unrecognised mechanism for reduced fertility in polyploids, where twisted pollen tubes fail to reach the egg cells. The study found two genes controlling pollen tube growth, which are highly conserved and could be applied to plant breeding.

SourceETH Zurich·JournalScience·DateApr 16, 2024

Protecting art and passwords with biochemistry

Researchers at ETH Zurich have developed a novel cryptographic one-way function using DNA sequences, providing a secure method for protecting valuable objects like art and passwords. The system uses true randomness and physical linking to prevent decoding by algorithms or quantum computers.

SourceETH Zurich·JournalNature Communications·DateApr 8, 2024

Climate change threatens Antarctic meteorites

Climate change causes melting of ice sheet, resulting in loss of about 5,000 meteorites per year. Researchers call for urgent action to preserve the scientific value of meteorites and reduce greenhouse gas emissions.

SourceETH Zurich·JournalNature Climate Change·TypeComputational simulation/modeling·DateApr 8, 2024

A new ion trap for larger quantum computers

Researchers at ETH Zurich developed a new ion trap for larger quantum computers using static magnetic fields, overcoming previous limitations with oscillating fields. The Penning trap design allows for arbitrary transport and control of qubits, enabling future supercomputers.

SourceETH Zurich·JournalNature·DateMar 14, 2024