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Astronomy Aug 6, 2024

Astronomy 'Olympics' is being hosted in Africa for the first time: Four big talking points

Cutting-edge telescopes, gravitational waves, black holes and our solar system's central star, the sun, are just a few of the topics that will be on the table in Cape Town, South Africa, for an event that's a scientific version ...

Nanophysics Aug 6, 2024

Researchers reveal atomic-scale details of catalysts' active sites

The chemical and energy industries depend upon catalysts to drive the reactions used to create their products. Many important reactions use heterogeneous catalysts—meaning that the catalysts are in a different phase of ...

Earth Sciences Aug 6, 2024

Ancient poppy seeds and willow wood offer clues to the Greenland ice sheet's last meltdown

As we focused our microscope on the soil sample for the first time, bits of organic material came into view: a tiny poppy seed, the compound eye of an insect, broken willow twigs and spikemoss spores. Dark-colored spheres ...

Earth Sciences Aug 6, 2024

Machine learning and better radar solve the 'cloud cover' problem

Clouds have for decades been a bugbear for remote sensing of land surface temperature—one of the most important earth system metrics, used in everything from tracking climate change to predicting wildfires. A new approach ...

General Physics Aug 6, 2024

Researchers dig deeper into stability challenges of nuclear fusion—with mayonnaise

Mayonnaise continues to help researchers better understand the physics behind nuclear fusion.

Astronomy Aug 6, 2024

JWST unveils the structure of dust near a supermassive black hole

A team of international scientists led by researchers at Newcastle University, have used the James Webb Space Telescope (JWST) to reveal a hidden veil of dust in a galaxy 70 million light years away.

Materials Science Aug 6, 2024

Stacking molecules like plates improves organic solar device performance

Harnessing the power of the sun is vital for a clean, green future. To do so, we need optoelectronic devices, like solar cells, that can convert light into electricity efficiently. Now, a team led by Osaka University has ...

Archaeology Aug 6, 2024

Ancient carvings in Turkey could be earliest solar calendar

Markings on a stone pillar at a 12,000-year-old archaeological site in Turkey likely represent the world's oldest solar calendar, created as a memorial to a devastating comet strike, experts suggest.

Agriculture Aug 6, 2024

Farmers innovate to save Iraq's rice production

After seeing his once-lush rice field shrink in recent years due to relentless drought, Iraqi farmer Muntazer al-Joufi fought back using tougher seeds and water-saving irrigation techniques.

Environment Aug 5, 2024

Sunscreens can hurt the marine environment—how to choose one that's healthy for you and the sea

Choosing which sunscreen to use can be mind-boggling. Should you choose one with the highest sun protection factor (SPF) or another with "reef-safe" or "coral-friendly" credentials? Is it best to opt for a spray or a lotion? ...

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