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Science News

Location American Science News for 19 December 2022
US military reports 'several hundred' UFO sightings in 2022, Pentagon officials claim UFO reports from U.S. military personnel are flooding the government's new All-Domain Anomaly Resolution Office (AARO).
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Shock wave from sun has opened up a crack in Earth's magnetic field, and it could trigger a geomagnetic storm The storm is classed as a G1 storm, so is expected to be fairly mild.
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Research team develops direct laser writing system for high-resolution, high-efficiency nanofabrication Peripheral photoinhibition (PPI) direct laser writing (DLW) is a lithography technique used to fabricate intricate 3D nanostructures that are widely employed in photonics and electronics. PPI-DLW uses two beams, one to e...
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Stresses and hydrodynamics: Scientists uncover new organizing principles of the genome A team of scientists has uncovered the physical principles--a series of forces and hydrodynamic flows--that help ensure the proper functioning of life's blueprint. Its discovery provides new insights into the genome whil...
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Lasers used to throw and catch single atoms for first time Extremely cold atoms were thrown with one laser beam and caught with another. The technique could be used in quantum computing
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What triggers flow fluctuations in heavy-ion collision debris? Scientists in the STAR collaboration at the Relativistic Heavy Ion Collider (RHIC)--an atom smasher at the U.S. Department of Energy's Brookhaven National Laboratory--have published a comprehensive analysis aimed at dete...
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Greenland's glaciers are melting 100 times faster than estimated Scientists are getting a better handle on how fast Greenland's ice is flowing out to sea. Old models that used Antarctica as a baseline were way off the mark.
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The Donnan potential, revealed at last

Phys.org - 19 Dec 2022 18:54
The Donnan potential, revealed at last The Donnan electric potential arises from an imbalance of charges at the interface of a charged membrane and a liquid, and for more than a century it has stubbornly eluded direct measurement. Many researchers have even w...
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Male wasps use spiky genitals to defend themselves from predators Male mason wasps have no sting, but they have spines on their genitals that can cause a pricking pain, and these are effective at deterring some frogs from eating them
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Ichthyosaurs used a barren region of the ocean as an ancient nursery Marine reptiles called ichthyosaurs, which resembled whales and dolphins, seem to have gathered to give birth in a quiet ocean area with no predators
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Researchers realize remote tuning of lifetime of coupled Dirac plasmons Recently, the team led by Prof. Zeng Changgan from the University of Sciences and Technology of China (USTC) of the Chinese Academy of Sciences, collaborating with Li Xiaoguang's team from Shenzhen University, has enable...
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A rapid transition to renewable power is essential to avoid the worst effects of climate change, but governments have been lukewarm in their commitment. Energy security concerns spurred by Russia's invasion of Ukraine se...
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Computer code accurately predicts the disintegration of droplets in turbulent flows New computer simulations can go where experiments reach their limits. Scientists from the Center of Applied Space Technology and Microgravity (ZARM) at the University of Bremen have developed a computer code that enables...
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Underground Italian lab searches for signals of quantum gravity For decades, physicists have been hunting for a quantum-gravity model that would unify quantum physics, the laws that govern the very small, and gravity. One major obstacle has been the difficulty in testing the predicti...
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A diamond-based quantum amplifier

Phys.org - 19 Dec 2022 16:22
A diamond-based quantum amplifier In physics, weak microwave signals can be amplified with minimal added noise. For instance, artificial quantum systems based on superconducting circuits can amplify and detect single microwave patterns, although at milli...
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Some Claim Culture Affects Our Basic Visual Perception

Neuroscience News - 19 Dec 2022 13:28
Some Claim Culture Affects Our Basic Visual Perception The basics of visual perception, such as object orientation, are largely independent of cultural variation and apply broadly across human populations.
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Doctors film microscopic worms dancing inside man's scrotum The disease, called lymphatic filariasis, can lead to severe swelling around the body, as well as physical disabilities.
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Countries agree landmark deal to halt global decline in nature by 2030 Nations have pledged to "reverse biodiversity loss" by 2030 at the COP15 summit, but campaigners say the deal doesn't do enough to ensure accountability
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What is Occam's razor?

Live Science - 19 Dec 2022 12:00
What is Occam's razor? Is the simplest explanation always the best one, as Occam's razor states?
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