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1 y

A microscopic factory for small runners: New method uses magnetic loops for growth control

A microscopic factory for small runners: New method uses magnetic loops for growth control

Researchers at the University of Bayreuth have developed a new method for controlling the growth of physical micro-runners. They used an external magnetic field to assemble paramagnetic colloidal spheres—i.e. only magnetic due to external influences—into rods of a certain length. Colloidal particles are tiny particles in the micro- or nanometer range that can be used in medicine as carriers of biochemicals.

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Working to strengthen Pacific Northwest defenses against wildfires and wildfire smoke

Working to strengthen Pacific Northwest defenses against wildfires and wildfire smoke

In the summer of 2020, wildfire smoke blanketed the city of Portland, Oregon, leading to a prolonged period of poor air quality and health concerns for residents. Subsequently, in 2021 the city experienced a heat wave with temperatures reaching as high as 116 degrees. These events highlighted how the climate crisis has increased the frequency and intensity of wildfires and weather-related emergencies in the western United States.

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Chemists design novel method for generating sustainable fuel

Chemists design novel method for generating sustainable fuel

Chemists have been working to synthesize high-value materials from waste molecules for years. Now, an international collaboration of scientists is exploring ways to use electricity to streamline the process.

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Sustainable irrigation critical to recovery of Ukrainian farms, a major global exporter of grain and oilseeds

Sustainable irrigation critical to recovery of Ukrainian farms, a major global exporter of grain and oilseeds

By the middle of the century, three-quarters of Ukrainian croplands—a critical source of the world's grain and oilseeds—will experience water shortages due to the combination of climate change and infrastructural damage caused by the Russian invasion, according to new research from an international research team led by Carnegie Science's Lorenzo Rosa and including members of the World Bank's Global Water Practice unit.

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Electrified membranes with carbon nanotubes offer faster nitrate removal in drinking water

Electrified membranes with carbon nanotubes offer faster nitrate removal in drinking water

Nitrate contamination in water has long presented threats to the environment and human health. Now, Yale researchers have developed an efficient and effective way to remove it.

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Rhythmic gene expression in plants is crucial for symbiosis with nutrient-providing bacteria, study finds

Rhythmic gene expression in plants is crucial for symbiosis with nutrient-providing bacteria, study finds

Legumes thrive in low-nitrogen environments by partnering with rhizobia, soil bacteria that convert atmospheric nitrogen into ammonium, a usable form for the plants. These beneficial bacteria are housed in root nodules formed on legume roots.

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A new way to control the magnetic properties of rare earth elements

A new way to control the magnetic properties of rare earth elements

The special properties of rare earth magnetic materials are due to the electrons in the 4f shell. Until now, the magnetic properties of 4f electrons were considered almost impossible to control.

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New dawn for space storm alerts could help shield Earth's tech

New dawn for space storm alerts could help shield Earth's tech

Space storms could soon be forecast with greater accuracy than ever before thanks to a big leap forward in our understanding of exactly when a violent solar eruption may hit Earth.

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How mantle hydration changes over the lifetime of a subduction zone

How mantle hydration changes over the lifetime of a subduction zone

Because of interactions with Earth's hot mantle, water-logged oceanic plates release water as they slide beneath less dense overriding plates in subduction zones. This water rises and hydrates the mantle above it, contributing to the formation of volcanoes at the surface and limiting the maximum depths of damaging earthquakes.

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Gold co-catalyst improves photocatalytic degradation of micropollutants, finds study

Gold co-catalyst improves photocatalytic degradation of micropollutants, finds study

To remove micropollutants such as pesticides and trace chemicals from the environment, you need something equally small and cunning. One potential method is photocatalysis, which uses semiconducting nanomaterials powered by sunlight to adsorb toxic chemicals on the materials' surface and degrade them.

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