Research

Books

Articles

Researchers at Simon Fraser University in Canada have developed a low-cost portable ventilator that uses a 3D-printed origami tube rather than a conventional airbag. The volume of the tube can be modified by changing the angles in the origami...

Worms don’t have any limbs or bones in general, but move with precision and speed. They are able to cross many different terrains and navigate quite substantial obstacles. This is why scientists at the University of Glasgow were inspired...

A 2D nanomaterial consisting of organic molecules linked to metal atoms in a specific atomic-scale geometry shows non-trivial electronic and magnetic properties due to strong interactions between its electrons. A new study, published today, shows the emergence of magnetism...

A multipurpose material that can sense strain and temperature and harvest energy from temperature gradients has been developed by researchers in the UK and the Netherlands. The new material, which could be used to create smart human–machine interfaces and...

There’s a fine line between getting hold of data that may be in the public interest and downright stealing data just because you can. And simply because the data is out there – having been stolen by online intruders...

Researchers from Curtin University in Western Australia have identified a cheaper and more efficient electrocatalyst for making green hydrogen from water. They hope that the catalyst could eventually open new avenues for large-scale clean energy production. Hydrogen has the...

Patients with kidney failure require dialysis regularly, which is an invasive and potentially risky treatment. But now researchers at the University of California San Francisco (UCSF) have successfully demonstrated a prototype bioartificial kidney that can be implanted and works...

Organic solar cells (OSCs) are fascinating devices where layers of organic molecules or polymers carry out light absorption and subsequent transport of energy – the tasks that make a solar cell work. Until now, the efficiency of OSCs has...

Concentrated solar energy has come a long way since the days of Archimedes. According to legend, the Greek polymath defended his home city of Syracuse from Roman soldiers using giant mirrors to focus the rays of the Sun, setting...

A team at Brown University has developed a system that uses dozens of silicon microchips to record and transmit brain activity to a computer. Dubbed “neurograins,” the chips—each about the size of a grain of salt—are designed to be...

Diamonds are precious stones used for jewelleries and industrial purposes. But in the not-too-distant future, diamond nanoparticles, or nanodiamonds (NDs), may become the solution to everyone’s oral health. Oral diseases such as dental caries (decay), gum diseases and fungal...

Robotics, prosthetics, and other engineering applications routinely use actuators that imitate the contraction of animal muscles. However, the speed and efficiency of natural muscle fibers is a demanding benchmark. Despite new developments in actuation technologies, for the most past...

An improved search for a potential fifth force of nature is one of a trio of new results gleaned from observations of neutron interactions in silicon made by an international team of physicists. The work, which relies on Pendellösung...

A new way of anchoring individual iridium atoms to the surface of a catalyst increased its efficiency at splitting water molecules to record levels, report scientists from the US Department of Energy’s SLAC National Accelerator Laboratory and Stanford University....

Natural killer cells do not just kill cancer cells or cells infected with viruses, they also mediate a trade-off between wound healing and bacterial defense in skin wounds, researchers report. If the healing process is accelerated, the immune defense...

Physicists have created the first-ever atomic vortex beam — a swirling tornado of atoms and molecules with mysterious properties that have yet to be understood. By sending a straight beam of helium atoms through a grating with teeny slits,...

Trapping a plastic-degrading enzyme in a synthetic nanocage protects it from breaking down under heat or in organic solvents. While the caged enzyme retains all of its catalytic activity, it withstands temperatures much hotter than its usual melting point...

Sunlight can chemically breakdown plastics into tens of thousands of new compounds that in just weeks and many of these dissolve in water, a study led by researchers from the Woods Hole Oceanographic Institution has found. The discovery dispels...

A team of engineers and chemists from the University of California-LA (UCLA) have taken a major step towards the development of microbial fuel cells – which use bacteria to extract electrons from organic matter and generate an electrical current...

The notion of dimension at first seems intuitive. Glancing out the window we might see a crow sitting atop a cramped flagpole experiencing zero dimensions, a robin on a telephone wire constrained to one, a pigeon on the ground...

A future powered by fusion energy is closer than ever before. This week, scientists at MIT got a large high-temperature superconducting electromagnet to a strength of 20 tesla. That’s the most powerful magnetic field of its kind ever created...

To find some of the coldest objects in the universe, you don’t have to go much further than your local university. There, a physicist may be using laser light and magnets to cool atoms below a stunning –450 Fahrenheit....

An inhaled vaccine protects mice against several strains against Klebsiella pneumoniae, a bacterium that can cause pneumonia in hospital settings, according to a new study. There are currently no FDA-licensed vaccines for the prevention or treatment of the infection,...

Smartphones, laptops and lighting applications rely on light-emitting diodes (LEDs) to shine bright. But the brighter these LED technologies shine, the more inefficient they become, releasing more energy as heat instead of light. Now, as reported in a paper...

The sun is always showering Earth with a mist of magnetized particles known as solar wind. For the most part, our planet’s magnetic shield blocks this electric wind from doing any real damage to Earth or its inhabitants, instead...

Physicists sifting through old particle accelerator data have found evidence of a highly-elusive, never-before-seen process: a so-called triangle singularity. First envisioned by Russian physicist Lev Landau in the 1950s, a triangle singularity refers to a rare subatomic process where...

Before amyloid beta peptides can form the brain plaques that have been implicated in Alzheimer’s and other brain disorders, they have to bind to “fibrils,” protein aggregates that grow over time. But sometimes misaligned chemical forces prevent the peptides...

A black hole or a neutron star may have merged with a normal massive star and caused it to explode in a supernova, according to Caltech’s Dillon Dong and colleagues. Dong says that such explosions could occur at minimum...

Researchers at the University of Pennsylvania created a dental implant that resists bacterial growth and generates electricity thanks to its piezoelectric properties. The generated electricity could power a light source for on-board phototherapy, a technique that could help protect...

Unraveling D-Meson Mixing

Since the construction of the first particle accelerators, increasing the energy of those accelerators has allowed physicists to produce and discover heavier and heavier particles. Those discoveries have extended our knowledge of the subatomic world and eventually resulted in...

Researchers in Japan have synthesised nanoporous ultra-high-entropy alloys that contain 14 elements. Tests showed the alloys were capable of splitting water and performed better than commercial platinum-based hydrogen evolution reaction catalysts and iridium-based oxygen evolution reaction catalysts. ‘Most conventional...

Artificial intelligence can identify subtle patterns in data, which is particularly useful in medicine. So far, these have been offline processes—doctors perform a medical test, and data from the test is run through a software program after. A real-time...

When stretched or deformed, shape memory polymers return to their original shapes after heat or light is applied. These materials show great promise for soft robotics, smart biomedical devices and deployable space structures, but until now they haven’t been...

Researchers have made a tiny camera, held together with ‘molecular glue’ that allows them to observe chemical reactions in real time. The device, made by a team from the University of Cambridge, combines tiny semiconductor nanocrystals called quantum dots...

An object moving through a fluid normally generates “drag forces,” which act to slow its motion, yet researchers still disagree about subtle aspects of the origin of such forces. New research has made a surprising connection to quantum physics,...

Smartphones could soon come equipped with a quantum-powered source of random numbers after researchers in China developed a quantum random number generator (QRNG) chip small enough to sit comfortably on a fingertip. What’s more, the new integrated photonic chip...

Ceramics are resilient to heat and extreme environments, but they are fragile and crack easily. Recently, in a study published in Science Advances, researchers at Texas A&M University have discovered a self-healing mechanism within a type of ceramics, called...

As we confront the enormous challenge of climate change, we should take inspiration from even the most unlikely sources. Take, for example, the tens of thousands of fossil-fueled ships that chug across the ocean, spewing plumes of pollutants that...

One silver lining to the covid-19 pandemic has been the speed with which effective vaccines have been developed. Victims of other pandemics have not been so lucky. Three decades of attempts to create a vaccine against HIV, the virus...

The prospects for directly testing a theory of quantum gravity are poor, to put it mildly. To probe the ultra-tiny Planck scale, where quantum gravitational effects appear, you would need a particle accelerator as big as the Milky Way...

An international team led by researchers at Stanford University has developed a novel rechargeable battery that can store up to six times more charge than current batteries. This advance, reported in a paper in Nature, brings battery researchers one...

The dinosaurs didn’t have a space program, so when an asteroid headed toward Earth with their name on it 65 million years ago, they had no warning and no way to defend themselves. We know how that turned out....

Many countries around the world are committed to reducing greenhouse gas emissions or reaching net-zero emissions to meet the United Nations’ climate goals of maintaining temperature increases below 1.5°C by 2050. Renewable energy technologies, particularly solar energy panels, will...

A novel project in Australia aims to harness the sun’s energy in two different ways: by storing it and by using it to produce green hydrogen. Dozens of solar farms in the country’s southeastern region are slated to use...

Neonatal jaundice is a common condition in newborn babies, caused by the build-up of bilirubin in the blood. While the majority of babies will recover naturally, if extremely high blood bilirubin levels are left untreated, there’s a small risk...

Many small animals grow their teeth, claws and other “tools” out of materials that are filled with zinc, bromine and manganese, reaching up to 20% of the material’s weight. My colleagues and I call these “heavy element biomaterials,” and...

As the Perseverance rover drilled into a rock on Wednesday to collect a sample from Jezero Crater on Mars, Justin Simon, a planetary scientist at NASA’s Johnson Space Center in Houston, felt both nervous and excited. He has the...

Designing electronic systems that mimic the human brain, both in terms of energy use and ability to carry information, is a holy grail of scientific research. Whereas artificial intelligence has come a long way, these systems are still far...

Researchers at the Cleveland Clinic have developed an advanced bionic arm that allows users with upper limb amputations to achieve a similar level of function as non-amputees. The system incorporates a sense of touch and movement and allows for...

The existence of ghost hyperbolic surface polaritons has been demonstrated by an international collaboration including researchers in China and the US. Based at Huazhong University of Science and Technology (HUST), National University of Singapore (NUS), National Center for Nanoscience...