News
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EnglishAncient chemical formulas clarified
Six Chinese formulas for bronze turn out to be pre-made alloys rather than pure metals, Antiquity reports.
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Radical rule of thumb on the reboot
Methyl radicals are not stabilised by more substitutions, but rather destabilised, Amsterdam researchers show.
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Light and electricity make artificial skin sweat
A team of researchers from TU Eindhoven developed an artificial skin that sweats on command.
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Biological diary of a cell created
With CRISPR-Cas1 and Cas2 and retrons you can keep track of the transcription history in a population of cells in a kind of log.
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Epigenetic gatekeeper discovered in stem cells
Human pluripotent stem cells can become all types of cells, but possess epigenetic mechanisms that block some cellular pathways.
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Safely synthesising with CO
With a dual-chamber system, you can use carbon monoxide to install a carbonyl group during synthesis in a relatively safe way.
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New more dangerous HIV variant discovered in the Netherlands
A variant of the HIV-1 subtype-B that is more infectious and virulent than previously known variants has been circulating in the Netherlands for twenty years.
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Catalyst model overhauled
Oxidised metals also appear to be able to take on an active role as catalysts for CO2 conversion, contrary to what scientists had previously thought.
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Halogens too fat for paradigm
Bond strength between two atoms previously seemed to depend entirely on electronegativity, but researchers discovered that this is not always the case.
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Lead white isotope composition points to specific historical periods
Differences in lead white pigment in Dutch paintings are directly linked to historical conflicts.
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Vegan spider silk
Researchers have developed a sustainable and plant-based alternative material for disposable plastics, imitating the structure of spider silk with soya proteins.
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Concentrated sunlight helps CO2 conversion
With plasmonic nanoparticles and somewhat concentrated sunlight, you can convert CO2 to CO much more efficiently without having to use high temperatures.
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Copper pyramids catalyse ethylene glycol production
Australian researchers have discovered that copper atoms in pyramid-like structures selectively convert CO and CO2 into ethylene glycol (C2H6O2).
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Electrochemical gardening
On a zinc disc-electrode, you can plant a micro-garden by corroding it in a sulfuric acid solution, without the need of a green thumb.
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Mobile replication machinery comes to a halt
Certain sequences on the genome can stop the motile start proteins of DNA replication.
