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Dissolving the problem: Organic vapor induces dissolution of molecular salts It has long been known that when salt is kept in a humid environment, it absorbs water, dissolving some of the salt and making it clump. Now, researchers from Japan have discovered that water vapor isn't the only agent that can do this.
Researchers describe new kangaroo fossil from Papua New Guinea Australian paleontologists from Flinders University have described a new genus of giant fossil kangaroo from the mountains of central Papua New Guinea.
Understanding how microbiota thrive in their human hosts A research team lead by scientists from the Max Planck Institute for Biology, Tübingen, Germany, has now made substantial progress in understanding how gut bacteria succeed in their human hosts on a molecular level. They investigated how bacteria produce inositol lipids, substances vital for many cellular processes in humans and other eukaryotes but hitherto rarely observed in bacteria. The results, now published in the journal Nature Microbiology, indicate that inositol lipids have implications for the symbiosis between the bacteria and their hosts.
Physicists confront the neutron lifetime puzzle To solve a long-standing puzzle about how long a neutron can "live" outside an atomic nucleus, physicists entertained a wild but testable theory positing the existence of a right-handed version of our left-handed universe. They designed a mind-bending experiment at the Department of Energy's Oak Ridge National Laboratory to try to detect a particle that has been speculated but not spotted. If found, the theorized "mirror neutron"—a dark-matter twin to the neutron—could explain a discrepancy between answers from two types of neutron lifetime experiments and provide the first observation of dark matter.
Tiny nanoturbine is an autonomous machine smaller than most bacteria A turbine only a few dozen nanometres in size made from DNA rotates in salty water without having to be pushed which makes it a tiny autonomous machine. It could be for speeding up chemical reactions or transporting particles inside cells
Shine a light: New research shows how low-energy light can bend plastic A team of Florida State University researchers has uncovered a way to use low-energy light to manipulate photopolymers or plastic films—a finding that has implications for a wide range of technologies that use light as an energy source to create shape-shifting structures.
Identifying bird species by sound, an app opens new avenues for citizen science The BirdNET app, a free machine-learning powered tool that can identify over 3,000 birds by sound alone, generates reliable scientific data and makes it easier for people to contribute citizen-science data on birds by simply recording sounds.
Nearly 1 in 4 globally at risk from severe flooding: study Almost a quarter of the world's population are exposed to significant flood risks, according to new research published Tuesday, which warned those in poorer countries were more vulnerable.
Mirror Image Pinpoints a Nanoparticle’s Position

Author(s): Rachel Berkowitz

A scattered laser beam’s interaction with itself creates a motion-detection method precise enough to determine whether a trapped particle is in its ground state.

[Physics 15, s89] Published Tue Jun 28, 2022

Ten years after the Higgs discovery, what now for particle physics? After the Higgs, the Large Hadron Collider was expected to find other theorised particles. It didn’t, but particle physicists are optimistic about a new era of experiment-led exploration
Antibubbles have been made to last a record-breaking 13 hours Shaking antibubbles – droplets of liquid encased in a thin layer of air – prevents them from popping for several hours. These could be used in chemical engineering in the future
Manipulating Objects Using Air Bubbles and Sound Waves

Author(s): Philip Ball

Centimeter-scale objects in liquid can be manipulated using the mutual attraction of two arrays of air bubbles in the presence of sound waves.

[Physics 15, 92] Published Fri Jun 24, 2022

X-Ray Fireworks Linked to Fast Radio Bursts

Author(s): Sophia Chen

Predictions indicate that when a neutron star radiates a burst of radio waves, interactions of the burst with the star’s magnetic field should produce observable x rays.

[Physics 15, s88] Published Fri Jun 24, 2022

Nanoquantization Fills Gap in Battery Technology

Author(s): Katie McCormick

By considering the quantized storage of electrons on nanoparticles, researchers have shown theoretically that it is possible to combine the advantages of two complementary energy-storage methods.

[Physics 15, s84] Published Thu Jun 23, 2022

Brighter Color-Shifting Ink for 3D Printers

Author(s): Katherine Wright

Researchers have developed a more vibrant iridescent ink for 3D printers, bringing increased sparkle and shine to the otherwise lackluster objects these devices create.

[Physics 15, 91] Published Thu Jun 23, 2022

Elusive exotic matter called a tetraneutron possibly seen in the lab Twenty years ago, researchers saw hints of the existence of a type of exotic matter made of four neutrons. Now, researchers have found the clearest evidence it exists yet
Rearranging Nanoclusters Using Randomness

Author(s): Marric Stephens

Simulations suggest that thermal fluctuations combined with macroscopic forces could be used to quickly generate specific configurations of few-atom nanoclusters.

[Physics 15, s83] Published Wed Jun 22, 2022

Physicists Set their Sights on Curbing US Methane Emissions

Author(s): Katherine Wright

In a report published today, physicists make recommendations for ways to improve the monitoring of industrial methane emissions, something they say could have a significant impact on climate change.

[Physics 15, 90] Published Wed Jun 22, 2022

Physicists work out exactly when a fruit display will fall down Computer simulations reveal the precise conditions when removing an orange from a display would cause a fruit avalanche
3D rabbit 'hologram' created by levitating screen using sound waves Sound waves can be used to keep an object hovering in the air, and a new technique works even in crowded spaces
Watch this strange fluid act like a solid and liquid at the same time Physicists have used high-speed cameras to see a drop of an odd fluid both solidify and keep flowing when it falls and hits the ground
Physicists beat Lorentz reciprocity for microwave transmission New device could boost telecommunications and be adapted for photonics
Japan’s SuperKEKB set for first particle collisions Revamped accelerator will soon be smashing electrons and positrons together
Wood-based 'supermaterial' is stronger and tougher than steel New material is made by compressing treated wood
Three photons bind together to make a ‘molecule’ of light Technique could be used to create quantum-information systems
Nuclear excitation by electron capture seen at long last Breakthrough could lead to new type of energy source
Pistachio trees 'talk' to their neighbours, reveals statistical physics Ising model could account for nut production of pistachio orchards
US National Science Foundation clamps down on misconduct Agency will now require every grantee organization to report cases of sexual harassment