Related topics: magnetic field · electrons · materials · atoms · metal

New research deciphers biomineralization mechanism

Many organisms can produce minerals or mineralized tissue. A well-known example is nacre, which is used in jewelry because of its iridescent colors. Chemically speaking, its formation begins with a mollusk extracting calcium ...

Understanding the effect of catalyst spin state on reaction

From a spin state perspective, metal complex catalysts are classified into two types: closed-shell catalysts (lacking unpaired electrons, typically based on noble metals like palladium) and open-shell catalysts (with unpaired ...

Old stars may be the best places to search for life

Once upon a cosmic time, scientists assumed that stars apply an eternal magnetic brake, causing an endless slowdown of their rotation. With new observations and sophisticated methods, they have now peeked into a star's magnetic ...

Webb finds signs of possible aurorae on isolated brown dwarf

Astronomers using NASA's James Webb Space Telescope have found a brown dwarf (an object more massive than Jupiter but smaller than a star) with infrared emission from methane, likely due to energy in its upper atmosphere. ...

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