by Jim Thomas on (#1GKZP)
Jim Thomas: ‘Gene drives’ seem to be the ultimate high-leverage technology. Yesterday’s report from the US National Academies begun the job of describing what is at stake, but it missed some important questions.
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| Updated | 2026-06-28 14:46 |
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by Vanessa Heggie on (#1GCFW)
Researchers in California have created human-pig chimeric embryos as part of a project to grow human organs for transplantation; while it may make many people uncomfortable, we have been trying to use pigs for parts for nearly 200 years.Being held prisoner by the Bedouin might not seem like a great place to do research, but for Irish surgeon Dr Bigger it was an experience full of opportunities. In 1835 he managed to transplant a cornea into a blind pet gazelle from a wounded wild deer; the transplantation seemed to be a success, and it inspired him to seek out similar operations, to see if they could promise a cure for blindness in humans. He tried transplantation experiments on many rabbits, and came across one instance where a wolf’s cornea had been successfully implanted into a pet pointer dog (which promptly ran away and lived wild in the woods for three months). Writing up these experiments and observations in 1838, Bigger suggested that a pig’s cornea would be the best possible match for a human being.
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by Denis Campbell Health policy editor on (#1GBEF)
Patients will potentially be able to avoid medications that do not help them and the test could start a ‘new era’ for personalised treatment of depressionScientists have developed a blood test that could identify which people with depression will respond to treatment so that patients can avoid spending months taking antidepressants that do not help them.The experts involved believe the breakthrough could lead to depressed patients receiving personalised treatments that are more likely to relieve their symptoms. Continue reading...
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by Sarah Boseley in Chicago on (#1GBED)
Palbociclib may slow progress of disease by 10 months but Breast Cancer Now fears Nice will deem it not cost-effectiveA breast cancer charity is calling for women in the UK to be given access to a drug that could slow the progress of advanced breast cancer by an extra 10 months compared with current treatment but is not yet licensed in Europe despite being used widely in the US.Pfizer, the company that makes palbociclib, which is sold under the brand name Ibrance, only applied for a European licence last August, even though it was licensed for sale in the US in February 2015 and has been prescribed for 27,000 women. Continue reading...
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by Maev Kennedy on (#1GBEH)
Historic England hopes to breathe life into structures such as a Leicestershire gibbet post and a ducking stool in CanterburyHistoric England, the body responsible for listing historic structures, is for the first time inviting the public to fill some of the gaps about the more curious and obscure buildings and structures on its register.So although poor Hannah Twynnoy’s tombstone, near Malmesbury Abbey in Wiltshire, makes it brutally clear what happened in 1703 – “She had not room to make defence; for Tyger fierce Took Life away†– nothing is known of what happened to the tiger that killed her, the travelling menagerie from which it came, the animal’s owner or who paid for what would have been a relatively expensive memorial to a poorly paid working woman. Continue reading...
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by Sarah Boseley Health editor on (#1GBB0)
Researchers found that people whose diets were rich in olive oil and nuts lost more weight than those on low-fat regimeThe Mediterranean diet, with a high fat content from olive oil and nuts, does not cause people to gain weight, a major study has found.Fear of fat is misplaced and guidelines that restrict it in our diets are wrong, say the Spanish researchers who have followed more than 7,000 people, some eating 30g of nuts or 50ml of extra virgin olive oil a day while others were put on a standard low-fat diet. Their research, they say, should put healthy fats – from vegetables and fish – back on the menu, changing attitudes and the way we eat. Continue reading...
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by Johnjoe McFadden on (#1GAVD)
The scare stories are misleading – these stem-cell discoveries could help us replace failing organs, and transform the lives of millions of peopleOne of the most revered monuments of ancient Egypt is the sphinx, a half-human, half-lion chimera that famously exudes a spirit of calm contemplation of human folly. Are scientists’ recent attempts to create real live human chimeras as organ donors part of that folly?In fact chimeric animal-humans are walking, talking or squeaking today. Many people carry heart valve replacements that come from pigs. Pig pancreatic cells have been transplanted into humans in an effort to treat diabetes. Many strains of laboratory mice have been bred that carry human genes and even human cells. Indeed, a strain of mice made with human brain cells appears to be marginally smarter than its non-humanised relative. Continue reading...
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by Alan Yuhas on (#1GAQ6)
Study asserts North America was likely colonized via the Pacific coast, not the Rocky Moutains as previously thought – but when and how remains unknownThe bones of giant steppe bison and clues left by their ice age hunters have led scientists to conclude that people likely colonized North America south from Alaska along the Pacific coast, and not through the Rocky Mountains, according to a new study.Related: Sinkhole discovery suggests humans were in Florida 14,500 years ago Continue reading...
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by Nicola Davis on (#1GAQ8)
Warning of difficulties comes after injection of human stem cells into pig embryos and fears that animals’ brains could be alteredScientists attempting to grow human organs inside pigs will have to overcome significant hurdles before transplants can take place, geneticists have warned.In a Panorama documentary showing on BBC1 on Monday night, researchers at the University of California, Davis, reveal how they have injected human stem cells into pig embryos to explore the possibility of growing a human pancreas inside a pig. The research could help to solve the current shortage of organs for transplant – a situation that, according to the NHS, leads to around three deaths a day in the UK. Continue reading...
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by Nicola Davis on (#1GAJE)
Scientists have successfully created part-pig, part-human embryos. How have they done this, and could viable human organs really be grown this way?Scientists at the University of California, Davis, are hoping to find a way of growing human organs inside pigs, which can then be transplanted into humans. The technique involves altering the genetic makeup of the pigs so that they do not develop a pancreas and then injecting human cells that will go on to make replacement organs inside the animals. Continue reading...
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by Alex Bellos on (#1GA2Y)
In which everything slides into place.Earlier today I set you the following sliding-block puzzle: Can you get T to the bottom right-hand corner in five moves. A move takes any single piece to another position by sliding it between the others. Continue reading...
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by Mo Costandi on (#1G9W7)
A toxin isolated from the Togo starburst tarantula provides new insights into pain mechanisms and could lead to new treatments for irritable bowel syndromeWith their large, hairy bodies and long legs, tarantulas are an arachnophobe’s worst nightmare. For pain researchers, however, these outsized spiders are a dream come true: Their venom contains a cocktail of toxins, each of which activates pain-sensing nerve fibres in different ways, and researchers in the United States have now identified one such toxin that will help them to better understand pain, and could also lead to treatments for the chronic pain associated with irritable bowel syndrome.Physical pain signals are transmitted from the body to the brain by specialised sensory neurons called nociceptors. These pain-sensing neurons have cell bodies located just outside the spinal cord, and possess a single conductive fibre that splits in two, with one branch extending out towards the skin surface, and the shorter one entering the back of the cord. Continue reading...
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by Nathan Tauger on (#1G9J7)
A US senator has ridiculed a selection of ‘wasteful’ studies. But this latest attack on research spending won’t make scientists engage with the tax-paying publicOn May 10, Senator Jeff Flake arrived in the US Senate Press Gallery with cups of gummy worms and crumbled chocolate biscuit.The worms are reference to a study criticised in his new report, Twenty Questions: Government Studies That Will Leave You Scratching Your Head. Flake’s report picks apart twenty US government-funded studies, claiming to reveal a culture of waste among scientists and three federal funding agencies: the National Science Foundation (NSF), National Institutes of Health (NIH), and Defense Advanced Research Projects Agency (DARPA). Continue reading...
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by Daniel Davis on (#1G9A4)
The Hay festival’s annual celebration of writers and writing is being infused with more and more science. And that’s just great, writes Daniel DavisI’m sitting behind Pink Floyd guitarist David Gilmour, with Booker Prize-winning author Marlon James to his right, all of us watching actors Benedict Cumberbatch, Toby Jones and Maxine Peake reading letters from Shaun Usher’s hit book Letters of Note. Just moments earlier I was standing in front of Salmon Rushdie as we queued for coffee.This is the kind of thing that only happens at the Hay Festival – a frenzied collection of more than 600 events taking place in a cluster of marquees near the picture-perfect town of Hay-on-Wye in Wales. Continue reading...
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by Andre Spicer on (#1G95F)
Thinking is hard work and asking tough questions can make you unpopular. So it’s no wonder that even clever people don’t always use their brains
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by Chris Chambers, Natalia Lawrence, Andrew Kythreoti on (#1G8W7)
Our citizen-led study of politicians, published today, has one main conclusion: we need to make research evidence faster to access, easier to decipher, and harder to ignoreIt’s a problem that comes up time and again. The day breaks with news that a prominent government policy or promise has failed. It might concern the NHS, the environment, or immigration. The next day, amidst all the bluster and posturing, someone will quietly point out that the policy never had a chance of working because it hadn’t properly considered the underlying evidence. The information might have been too hard to understand, conveniently ignored, or even gone missing.As academics who make a living out of generating and interpreting evidence, the ceaseless merry-go-round of failed policies and cherry-picked statistics can be frustrating to observe. But we also recognise that, as knowledge professionals, we are part of the problem. Scientists and academics have long kept the dirty world of politics at arm’s length. Of the tens of thousands of scientists and professional researchers in the UK, very few ever talk to policy-makers and fewer still become politicians. With researchers having such a small voice, is it surprising that obvious mistakes are made? Continue reading...
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