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Materials Science Apr 24, 2023

New method for making ammonia could take a bite out of global energy use

Stanford researchers have discovered a simple and environmentally sound way to make ammonia with tiny droplets of water and nitrogen from the air.

Materials Science Aug 2, 2022

Research reveals the chemical underpinnings of how benign water can transform into harsh hydrogen peroxide

A new study has put a remarkable and unexpected chemical genesis on more solid footing.

Archaeology Jun 9, 2022

What ancient toilets can teach us about Maya life, and tamales

Ancient toilets and trash pits are like heaven to archaeologists. They might not have the glamor of a gleaming medieval jewel or intricate Roman mosaic, but they brim with clues about the everyday life of bygone civilizations: ...

Materials Science Mar 31, 2022

New separation process for key radiodiagnostic agent reduces radioactive waste

Nuclear medicine uses technetium-99m among other things for tumor diagnostics. With over 30 million applications worldwide each year, it is the most widely used radioisotope. The precursor material, molybdenum-99, is mainly ...

Analytical Chemistry Oct 28, 2021

Advances in pH and phosphate monitoring enhance safety in nuclear fuel recycling

Picture a scenario in which a highly toxic substance, like dissolved nuclear fuel, is being recycled in a reprocessing plant. Until now, workers inside the plant had very limited information about what's in the solution to ...

Astronomy Oct 7, 2021

'Double' galaxy mystifies Hubble astronomers

Gazing into the universe is like looking into a funhouse mirror. That's because gravity warps the fabric of space, creating optical illusions.

Materials Science Oct 22, 2020

Researchers develop an efficient, low-energy method for upcycling polyethylene plastic waste into valuable molecules

When we started using plastics about 70 years ago, not much thought鈥攊f any鈥攚as given to the implications of their lifespan and the fact that they can take centuries to decompose. Consequently, as plastics have diversified ...

Optics & Photonics Jul 29, 2020

Tailored light inspired by nature

Modern applications such as high resolution microsopy or micro- or nanoscale material processing require customized laser beams that do not change during propagation. This represents an immense challenge since light typically ...

Nanomaterials Jul 29, 2020

How plantains and carbon nanotubes can improve cars

A luxury automobile is not really a place to look for something like sisal, hemp, or wood. Yet automakers have been using natural fibers for decades. Some high-end sedans and coupes use these in composite materials for interior ...

Materials Science Jun 3, 2020

Researchers develop a sustainable method for extracting vanillin from wood processing waste

Scientists at Johannes Gutenberg University Mainz (JGU) in Germany have developed a new sustainable method of extracting the flavoring agent vanillin from lignin, a component of wood. Large quantities of waste lignin accumulate ...

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