Chemistry news, research and opinions | Chemistry World
WEBWhy we need public analysts. As the Association of Public Analysts winds up, Duncan Campbell reflects on the continued importance of the profession. Chemistry, covered. Science news, research, reviews, features and opinions. Read Chemistry World to keep up with stories from across the chemical sciences.
Explainer: The chemistry of farts | News | Chemistry World
WEBDec 21, 2016 · The men farted between two and 53 times a day, with an average of 12.7, while women farted between once and 32 times a day, with an average of 7.1 times. The number of farts was higher when people ate more fibre. The study shows farting is normal, Stanton says. ‘I hope that has translated to people being prepared to eat more foods …
Why are there 20 amino acids? | Feature | Chemistry World
WEBSep 17, 2018 · But the selection of the 20 amino acids used in biology is clearly linked to the development of proteins. By polymerising amino acids in long polypeptide chains, proteins could fold into soluble structures with close-packed cores and ordered binding pockets. The arrival of proteins and the eventual adoption of the standard 20 amino …
The complex chemistry of making paper
WEBApr 4, 2023 · From the moment wood begins its journey to becoming paper, complex chemistry carefully controls every parameter. ‘The paper industry is a $300 billion [£240 billion] industry worldwide and it uses about $40 billion of chemicals in it,’ explains Thomas. ‘These chemicals can be categorised into two areas: performance enhancement and ...
Explainer: The science of alkyl nitrites aka poppers
WEBSep 16, 2021 · Inhaling alkyl nitrites feels like becoming instantly drunk according to some users, although the effect lasts for only a few minutes. Also known as poppers, these chemicals have been taken recreationally since the 1960s. Although they are sold openly, usually in small brown bottles with enticing brand names such as ‘liquid gold’, their ...
Science-themed puzzles, chemistry crosswords and wordoku
WEBChemistry puzzles. Science and chemistry-themed puzzles, including wordoku, quick and cryptic crosswords. Test your chemistry knowledge and puzzle-solving skills.
Explainer: Why is mixing cleaning chemicals such a bad idea?
WEBApr 23, 2020 · Chlorine gas is toxic, forms acids on contact with wet surfaces, such as home plumbing but also living tissue, such as the lungs. Heating or contact with metals can also cause bleach to decompose via a different route. 2NaOCl → O 2 + 2NaCl. Mixing hypochlorite with ammonia would see the breakdown of the hypochlorite to generate …
What it takes to make a new element | Feature | Chemistry World
WEBNov 30, 2016 · Results of fusion reactions were decreasing sharply as the atomic number grew higher. The cause was the high excitation energy (40–50MeV), which increased the chance of the element breaking up. To create new elements, the excitation energy needed to be minimal, or ‘cold’.
Can acid dissolve a body? | Opinion | Chemistry World
WEBJun 16, 2017 · The annals of crime are filled with gruesome tales of using chemicals for body disposal. In the mid-to-late 1940s, one of England’s most notorious killers, John Haigh, used sulfuric acid to dispose at least six victims’ corpses – a method that led to him being dubbed the ‘acid bath killer’. The Arellano-Félix Organization, a real-life cartel that …
Not just batteries: The chemistry of electric cars
WEBThe internal combustion engine is not dead, but it may be beginning to die. One of the few bold steps taken at the November 2021 Cop26 climate conference in Glasgow, UK, was a declaration on phasing out sales of petrol and diesel cars by 2040 in all markets and by 2035 in leading ones: many European countries have set earlier dates, with the UK …