News – Page 217
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BusinessBusinesses use blockchain to take on trustlessness
Big companies are looking to blockchain technology to track transactions, finds Andy Extance, while upstarts exploit its cryptocurrency origins
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ResearchNew explanation for water's circular jump
Varying viscosity and surface tension could aid the design of more efficient high-power cleaning and cooling systems
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ResearchMOF turns ‘crumple zone’ weakness into strength
Enhanced water stability improves chances of using materials to adsorb toxic contaminants in gas masks
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ResearchBismuth drugs kill bacteria by disrupting metabolism
Scientists throw kitchen sink of omics techniques at understanding complicated response of prevalent human pathogen to bismuth drug
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BusinessUS government ordered to ban chlorpyrifos insecticide
Court gives EPA 60 days to finalise a ban, which was proposed under Obama but reversed by the Trump administration
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ResearchFirst arsenic–germanium double bond made
Scientists use push–pull substitution to synthesise heavy imine
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ResearchOil-infused plastic gives ketchup the slip
Common packaging materials can be given a non-stick coating inspired by pitcher plants
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![Structural Characterization of r[5]C24+](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/100x67/2/4/0/138240_CHEMPR499-10-7b.jpg)
ResearchMolecular necklace with record 24 positive charges made
Supercharged catenane squeezes 24 positive charges into five-ring interlocked system
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ResearchValence bond theory probes fundamental nature of hydrogen bonding
New insight reignites covalent versus electrostatics debate
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NewsEPA move could bring asbestos back in America
Health advocates fret at US environment agency’s proposal to make ‘new uses’ of asbestos-containing products legal, but EPA says not to worry
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ResearchRadical ion synthesis finally embraces green chemistry
Mechanochemical route to naphthalenediimide radical ions
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NewsCanadian scientists welcome new research integrity policy
The government says it will do more to protect federal scientists from political interference
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ResearchCuboctahedral copper cluster promotes main group coordination to new high
First examples of compounds in which a sulfide, chloride or bromide ion holds so large a coordination number
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ResearchTriply crosslinked hydrogel withstands weight of a car
Hydrogel with three types of physical crosslinks shows remarkable self-recovery properties
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NewsUS-China rift over IP theft could hinder research exchange
Espionage concerns at US universities have led to restrictions on visas of Chinese grad students pursing ‘sensitive’ science
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ResearchRound-the-ring catalysis makes cyclic peptides chiral
Classic hydrogenation catalyst installs multiple stereocentres one by one to create small amino acid rings as single enantiomers
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NewsMerck’s €10k synthesis competition will lab test routes
Pharma company offers €10,000 in prize money for retrosynthesis challenge that will bench test finalists’ proposals
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NewsPredatory conference scammers are getting smarter
The organisers of bogus scientific events are improving their websites and exploiting top researchers to get their hands on registration money
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ResearchCatalyst comms get specific
Organocatalyst selectively activates in response to light, hydrogen peroxide or acylase to control the rate of an aldol and Michael reaction
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ResearchMachine learning makes light work of hard materials
Algorithm successfully identifies superhard compounds, eliminating the need for lengthy trial and error