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Updated: 37 min 10 sec ago

How can science benefit from AI? Risks?

Fri, 04/04/2025 - 17:24
Researchers from chemistry, biology, and medicine are increasingly turning to AI models to develop new hypotheses. However, it is often unclear on which basis the algorithms come to their conclusions and to what extent they can be generalized. A publicationnow warns of misunderstandings in handling artificial intelligence. At the same time, it highlights the conditions under which researchers can most likely have confidence in the models.

Polymers with flawed fillers boost heat transfer in plastics

Fri, 04/04/2025 - 17:24
In the quest to design the next generation of materials for modern devices -- ones that are lightweight, flexible and excellent at dissipating heat -- a team of researchers made a discovery: imperfection has its upsides.

3-D Printed skin to replace animal testing

Fri, 04/04/2025 - 01:45
A research team is developing a 3D-printed skin imitation equipped with living cells in order to test nanoparticles from cosmetics without animal testing.

Touchlessly moving cells: Biotech automation and an acoustically levitating diamond

Thu, 03/04/2025 - 23:31
Engineers have created new technology that can move cells without touching them, enabling critical tasks that currently require large pieces of lab equipment to be carried out on a benchtop device.

Physicists uncover electronic interactions mediated via spin waves

Thu, 03/04/2025 - 23:31
Physicists have made a novel discovery regarding the interaction of electronic excitations via spin waves. The finding could open the door to future technologies and advanced applications such as optical modulators, all-optical logic gates, and quantum transducers.

Nurture more important than nature for robotic hand

Thu, 03/04/2025 - 23:31
How does a robotic arm or a prosthetic hand learn a complex task like grasping and rotating a ball? Researchers address the classic 'nature versus nurture' question. The research demonstrates that the sequence of learning, also known as the 'curriculum,' is critical for learning to occur. In fact, the researchers note that if the curriculum takes place in a particular sequence, a simulated robotic hand can learn to manipulate with incomplete or even absent tactile sensation.

MIT engineers develop a way to mass manufacture nanoparticles that deliver cancer drugs directly to tumors

Thu, 03/04/2025 - 19:38
Researchers developed a manufacturing technique that rapidly generates large quantities of nanoparticles coated with drug-delivering polymers, which hold great potential for treating cancer. The particles can be targeted directly to tumors, where they release their payload while avoiding many of the side effects of traditional chemotherapy.

Revealing capillaries and cells in living organs with ultrasound

Thu, 03/04/2025 - 19:37
While medical centers use ultrasound daily, so far this technology has not been capable of observing body tissues at the scale of cells. Physicists have now developed a microscopy technique based on ultrasound to reveal capillaries and cells across living organs -- something that wasn't possible before.

Strain 'trick' improves perovskite solar cells' efficiency

Thu, 03/04/2025 - 19:37
Researchers have found a way to dramatically reducing energy loss and boosting efficiency perovskite solar cells by incorporating rubidium using lattice strain -- a slight deformation in the atomic structure that helps keep rubidium in place.

How GPS helps older drivers stay on the roads

Thu, 03/04/2025 - 19:37
New research shows that Sat Nav systems are helping keep older drivers on the roads for longer. The study reveals that over 65s with a poorer sense of direction rely more on help from GPS navigation systems such as Sat Nav or smartphone maps. Those using GPS tended to drive more frequently -- suggesting that the technology helps older people maintain driving independence.

Runaway battery improves safety

Thu, 03/04/2025 - 17:31
Overheating batteries are a serious risk, in the worst cases leading to fires and explosion. A team has now developed a simple, cost-effective method to test the safety of lithium-ion batteries, which opens up opportunities for research into new and safer batteries for the future. The researchers created an intentionally unstable battery which is more sensitive to changes that could cause overheating. The battery is one-fiftieth the size of conventional batteries, so is less resource intensive and tests can be carried out in a smaller lab environment.

An answer to green energy in hydrogen-generating marine microbes

Thu, 03/04/2025 - 17:30
A genomic study of hydrogen-producing bacteria has revealed entirely new gene clusters capable of producing large volumes of hydrogen.

Carbon capture technology to produce clean fuel from air

Thu, 03/04/2025 - 17:29
A unique carbon capture technology could offer a more cost-effective way to remove carbon dioxide (CO2) from the air and turn it into clean, synthetic fuel.

Electrochemical method supports nitrogen circular economy

Thu, 03/04/2025 - 17:28
Imagine a world where industrial waste isn't just reduced, it's turned into something useful. This kind of circular economy is already in the works for carbon. Now, researchers in energy, environmental & chemical engineering at Washington University in St. Louis have developed a promising pathway to convert harmful nitric oxide, a key component of acid rain, into valuable nitric acid, which is used in everyday applications from fertilizer production to metal processing. The new approach converts nitrogen waste into valuable chemical product.

Researchers recycle wind turbine blade materials to make improved plastics

Thu, 03/04/2025 - 17:26
A new method to recycle wind turbine blades without using harsh chemicals resulted in the recovery of high-strength glass fibers and resins that allowed researchers to re-purpose the materials to create stronger plastics. The innovation provides a simple and environmentally friendly way to recycle wind turbine blades to create useful products.

Carbon capture could become practical with scalable, affordable materials

Thu, 03/04/2025 - 17:26
Researchers have expanded the potential of carbon capture technology that plucks CO2 directly from the air by demonstrating that there are multiple suitable and abundant materials that can facilitate direct air capture. Researchers present new, lower-cost materials to facilitate moisture-swing to catch and then release CO2 depending on the local air's moisture content, calling it 'one of the most promising approaches for CO2 capture.'

Solar cells made of moon dust could power future space exploration

Thu, 03/04/2025 - 17:26
The same dirt that clings to astronauts' boots may one day keep their lights on. Researchers created solar cells made out of simulated Moon dust. The cells convert sunlight into energy efficiently, withstand radiation damage, and mitigate the need for transporting heavy materials into space, offering a potential solution to one of space exploration's biggest challenges: reliable energy sources.

Scientists merge two 'impossible' materials into new artificial structure

Thu, 03/04/2025 - 01:08
An international team has merged two lab-synthesized materials into a synthetic quantum structure once thought impossible to exist and produced an exotic structure expected to provide insights that could lead to new materials at the core of quantum computing.

Smartphone photo sensors transformed into an unprecedented resolution antimatter camera

Wed, 02/04/2025 - 23:13
Scientists have repurposed smartphone camera sensors to create a detector capable of tracking antiproton annihilations in real time with unprecedented resolution. This new device can pinpoint antiproton annihilations with a resolution of about 0.6 micrometers, a 35-fold improvement over previous real-time methods.

Speed cameras take six months to change driver behavior, effects vary by neighborhood

Wed, 02/04/2025 - 23:13
New York City's automated speed cameras reduced traffic crashes by 14% and decreased speeding violations by 75% over time, according to new research. The research revealed most cameras achieve their safety purpose within six months, with violations dropping and staying low -- showing drivers have changed behavior to drive more slowly and the cameras are working as intended, to deter speeding.