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Rotaxanes are dumbbell-shaped mechanically interlocked molecules in which one or more ring-shaped molecules are threaded through a linear segment, known as the axle. To keep the ring from sliding off, two bulky groups, sometimes called stoppers, are added to the ends of the axle.

The lava that buried entire neighborhoods during the 2018 Kīlauea eruption was composed of nearly 80% gas bubbles near its source. A recent study shows that those bubbles played a central role in controlling how fast and far the lava traveled and that lava flow models need to acc

Parenting experts share their tips on how to keep children's screen time under control.

Exclusive: Work and pensions secretary signals possible reform to welfare as ministers await key reviewsLabour must stop “simply writing a cheque” for health and disability benefit claimants and will provide more job support instead, the work and pensions secretary has said.Pat McFadden said the government was preparing to launch a renewed effort at welfare reform with a focus on encouraging more people with health conditions to get into work and off benefits. Continue reading...

Commons health committee also recommends end to junk food advertising on billboards and public transportFast food chains such as KFC should be stopped from opening near schools, and advertising for junk food on billboards and public transport should be banned to help curb obesity, MPs will say today.The Commons health committee will also urge ministers to stop giving in to food industry lobbying and get tough to tackle a problem that costs the UK £74bn a year and causes huge illness.Su

Além de Harry Styles, Dua Lipa também já visitou o endereço, que produz 1.000 pães de queijo diariamente, em São Paulo The post Harry Styles, uai: em passagem por São Paulo, cantor visita casa de pão de queijo que entrou na rota dos artistas; saiba onde fica appeared first on Seu Dinheiro.

The investor's decision comes weeks after Gates' appearance before US congress over his links to Jeffrey Epstein.

Publicação no Xbox Player Voice pede o fim das demissões e do fechamento de estúdios, reunindo milhares de apoios após nova onda de cortes na divisão de games da Microsoft O post Jogadores pressionam Xbox a encerrar demissões e campanha ganha força em portal oficial apareceu primeiro em Olhar Digital.

Production will stop for two years at the mine which employs more than 4,000 people.

Estudo revela que gases liberados por rochas aquecidas após grandes eventos vulcânicos podem ter provocado mudanças climáticas extremas O post A lava é perigosa, mas há algo ainda pior nas erupções vulcânicas apareceu primeiro em Olhar Digital.

Larger vehicles crowd our roads and are far more dangerous to pedestrians. Let’s curb them before they do even more damageWe need an Ozempic for cars. They are growing at a phenomenal rate, wreaking havoc on the roads, squeezing out smaller vehicles in car parks and endangering pedestrians.Like ever-hungry teenagers, cars in Europe are growing, on average, a centimetre wider every two years, according to new research reported by the Guardian. And fewer than half of new cars in the UK c

If Starmer won’t act then his successor should – by restricting the power of a small group of mega-donors Just as Nigel Farage kicks off a summer of “arguing with a bin”, as Rachel Reeves called it, Labour’s bill to clean up politics returns to the House of Commons this week.As more questions emerge about the financing of Reform and Farage’s mega-donor chums – through the brilliant reporting of Guardian colleagues – MPs should seize the opportunity to toughen it up. Continue reading.