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7 articles from Guardian Unlimited Science

The Dunedin study at 50: landmark experiment tracked 1,000 people from birth

Study into health and behaviour, which began in New Zealand in 1972, marks its half century this week as its subjects prepare for old ageIn 1972, a researcher in a small city at the bottom of New Zealand set out to track the development of more than 1,000 newborn babies and their health and behaviour at age three, not realising then that over the next 50 years, the research would morph into one of...

‘Magnetic turd’: scientists invent moving slime that could be used in human digestive systems

Researcher who co-created substance says it is not an April fool’s joke and they hope to deploy it like a robotGet our free news app; get our morning email briefingScientists have created a moving magnetic slime capable of encircling smaller objects, self-healing and “very large deformation” to squeeze and travel through narrow spaces.The slime, which is controlled by magnets, is also a good...

Scientists develop a moving, shape-shifting magnetic slime – video

Scientists have created a magnetic slime that is capable of squeezing through narrow spaces, encircling smaller objects and healing itself. The slime can be controlled by magnets and can act as both a solid and a liquid. The dark blob has been compared on social media to Flubber, the eponymous substance in the 1997 sci-fi film, and described as a 'magnetic turd' and 'amazing and a tiny bit...

World’s seabed regulator accused of ‘reckless’ failings over deep-sea mining

The ISA, obliged to frame industry rules by July 2023, is said to lack transparency and caution in preventing exploitation of the seabedThe UN-affiliated organisation that oversees deep-sea mining, a controversial new industry, has been accused of failings of transparency after an independent body responsible for reporting on negotiations was kicked out.The International Seabed Authority (ISA) is...

Hundreds fitted with artificial pancreas in NHS type 1 diabetes trial

Adults and children wear device that monitors glucose level and adjusts amount of insulin deliveredHundreds of adults and children with type 1 diabetes in England have been fitted with an artificial pancreas that experts say could become the “holy grail” for managing the disease, in a world-first trial on the NHS.The groundbreaking device uses an algorithm to determine the amount of insulin...

Covid lockdown extended for parts of Shanghai as city struggles to control Omicron

Fears for economy as China’s largest city and economic powerhouse is grappling with the worst coronavirus outbreak since the start of the pandemic in WuhanSee all our coronavirus coverageResidents of eastern Shanghai who were hoping to emerge from a four-day Covid lockdown on Friday have been ordered to stay in their homes, with some facing another 10 days of isolation.The new rules for Pudong,...

Covid vaccines give extra protection to previously infected, studies show

Research published by Lancet confirms jabs add protection for people who have had Covid, especially against severe diseaseCovid-19 vaccines provide significant extra protection for people who have already been infected, according to two new studies.The jabs have proven highly effective in protecting those who have never had Covid, but their effectiveness at preventing symptoms and severe outcomes...