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1 y

Solar Orbiter shows how solar wind gets a magnetic push

Solar Orbiter shows how solar wind gets a magnetic push

ESA's Solar Orbiter spacecraft has provided crucial data to answer the decades-long question of where the energy comes from to heat and accelerate the solar wind. Working in tandem with NASA's Parker Solar Probe, Solar Orbiter reveals that the energy needed to help power this outflow is coming from large fluctuations in the sun's magnetic field.

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Researchers present new diagnostic tool for laser-plasma accelerator using metal foil as 3D scanner

Researchers present new diagnostic tool for laser-plasma accelerator using metal foil as 3D scanner

Laser-plasma accelerators take up less space than conventional facilities, which are sometimes kilometers long. Such compact particle sources can accelerate electron bunches efficiently, enabling X-ray lasers that fit in the basement of a university institute.

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Astronomers spot merging galaxies from 12.8 billion years ago

Astronomers spot merging galaxies from 12.8 billion years ago

Astronomers have spotted a pair of galaxies in the act of merging 12.8 billion years ago. The characteristics of these galaxies indicate that the merger will form a monster galaxy, one of the brightest types of objects in the universe.

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Using a gamma ray burst to search for violations of Einstein's relativity postulates

Using a gamma ray burst to search for violations of Einstein's relativity postulates

Einstein's theory of relativity is based on two assumptions, or postulates. The first is that the laws of physics look the same to everyone traveling in a straight line with no acceleration.

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Geophysicist's method could give months' warning of major earthquakes

Geophysicist's method could give months' warning of major earthquakes

The public could have days or months of warning about a major earthquake through identification of prior low-level tectonic unrest over large areas, according to research by a University of Alaska Fairbanks scientist who analyzed two major quakes in Alaska and California.

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Scientists discover molecular mechanism that plays key role in gene transcription and macrophage functional activation

Scientists discover molecular mechanism that plays key role in gene transcription and macrophage functional activation

As the largest variant of the histone H2A family, macroH2A plays significant regulatory roles in various processes such as X-chromosome inactivation, embryonic development, cellular metabolism, and tumorigenesis due to its unique linker and macro domains.

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Enhancing microbe memory to better upcycle excess CO₂

Enhancing microbe memory to better upcycle excess CO₂

While some microbes can make people sick or spoil food, others are critical for survival. These tiny organisms can also be engineered to make specific molecules. Researchers reporting in ACS Sustainable Chemistry & Engineering have rewired one such microbe to help tackle greenhouse gases in the atmosphere: It takes in carbon dioxide (CO2) gas and produces mevalonate, a useful building block for pharmaceuticals.

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Fungus gnat entombed in a 40-million-year-old piece of amber is a rare gem

Fungus gnat entombed in a 40-million-year-old piece of amber is a rare gem

A Danish amber collector's find upon a wild North Sea shore in the 1960's has proved to be of great and surprising significance. After having thoroughly examined the roughly 40-million-year-old piece of amber, University of Copenhagen researchers have discovered it to contain the first fossil of a predatory fungus gnat belonging to a rare genus. The research contributes new knowledge about the distribution of the gnat species and about biodiversity across space and time.

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Higher-order topological simulation unlocks new potential in quantum computers

Higher-order topological simulation unlocks new potential in quantum computers

Researchers from the National University of Singapore (NUS) have successfully simulated higher-order topological (HOT) lattices with unprecedented accuracy using digital quantum computers. These complex lattice structures can help us understand advanced quantum materials with robust quantum states that are highly sought after in various technological applications.

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Heat waves impair bumblebees' ability to detect floral scents, study finds

Heat waves impair bumblebees' ability to detect floral scents, study finds

Climate change is affecting ecosystems in many different ways. One of its consequences is increasingly longer and more intense periods of heat, which affect essential natural processes—such as pollination. A team of researchers from Julius-Maximilians-Universität Würzburg (JMU) has now investigated in more detail how heat affects one particular player in these processes—the bumblebee.

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