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Atomic magnetism reveals why iron, but not chromium, can produce ammonia using sunlight
المصدر: Phys.org - latest science and technology news stories · نُشر

Two nearly identical materials have completely different chemical behavior. Research teams at the University of Vienna and TU Wien studied catalysts that use the energy of sunlight to produce ammonia. Surprisingly, when the three iron atoms that form tiny triangles in these catal
Two nearly identical materials have completely different chemical behavior. Research teams at the University of Vienna and TU Wien studied catalysts that use the energy of sunlight to produce ammonia. Surprisingly, when the three iron atoms that form tiny triangles in these catalysts are replaced by chromium atoms, the chemical reaction no longer takes place.
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Customizable DNA labels can selectively guide drug carriers to cancer cells
Cells naturally send tiny packages to one another to share information. Researchers at Carnegie Mellon University have developed a simple, low-cost way to turn those packages into drug carriers that can deliver treatments directly to cancer cells, potentially improving effectiven
Phys.org - latest science and technology news stories ·

Humidity can change how smoke pollutants transform after dark
What happens to smoke particles after sunset can depend strongly on something as familiar as the amount of water in the air. New research from Md. Sohel Rana and Marcelo I. Guzman at the University of Kentucky shows that relative humidity can redirect the chemical pathways involv
Phys.org - latest science and technology news stories ·

How childhood experiences shape employment outcomes in India
Research led by the University of East Anglia (UEA) shows that childhood poverty, poor living conditions and gender can have lasting impacts on employment opportunities and earnings in India.
Phys.org - latest science and technology news stories ·

US adults say craft and sustained commitment, not fame, separate creators from influencers
The creator economy is a growing global industry that Goldman Sachs Research reports could be worth $480 billion by 2027. But what is a creator, and what is the difference between a creator and an influencer, a celebrity or everyone else who posts online?
Phys.org - latest science and technology news stories ·
Do spiders dream? Scientists just found a surprising clue
Scientists have discovered that spiders may sleep in ways surprisingly similar to humans, complete with distinct sleep stages and a dream-like REM state. Researchers at the University of Bonn studied the Australian jumping spider Portia fimbriata, a remarkably clever hunter known
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