Icebergs as a source of nutrients

Sea creatures, whether large or small, need nutrients. The supply mechanism delivering these nutrients is very different in different parts of the ocean, there are nutrient-rich coastal areas, but also very nutrient-poor ...

Agrochemists find proof of the ferrous wheel hypothesis

A team of agrochemists from Russia, Germany, and Chile confirmed the so-called ferrous wheel hypothesis—the turnover of iron in the soil that enriches it with organic nitrogen. The results of the study were published in ...

Switch-in-a-cell electrifies life

Scientists at Rice University have developed synthetic protein switches to control the flow of electrons.

A boost for permanent magnets

Scientists at TU Darmstadt explored on an atomic level how changes in iron content influence the micro-structure of samarium-cobalt based permanent magnets. Their results were published in Nature Communications. In the long ...

Five amazing ways plants have created new technologies

Scientists have come up with a strange new method for detecting explosives: using spinach. The plants are impregnated with fluorescent "bionic" nanotubes that emit infrared light. In the presence of specific chemicals, the ...

Nearby ancient star is almost as old as the Universe

A metal-poor star located merely 190 light-years from the Sun is 14.46+-0.80 billion years old, which implies that the star is nearly as old as the Universe! Those results emerged from a new study led by Howard Bond. Such ...

A human touch for ancient scripts at Italy's book hospital

Ancient manuscripts are treated like hospital patients at a famous book restoration institute in Rome that has worked on everything from the Dead Sea Scrolls to one of the oldest Korans in the world.

Dark beer has more iron than pale beer

A team of researchers from the University of Valladolid (Spain) has analysed 40 brands of beer, discovering that dark beer has more free iron than pale and non-alcoholic beers. Iron is essential to the human diet, but also ...

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