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Day: July 10, 2024
The Guardian’s Pippa Crerar and Kiran Stacey are on two sides of the Atlantic this week. They discuss Keir Starmer’s first foreign trip, and whether the Conservatives can find the soul of their party
With growing concern about the President’s cognitive ability, the Democrats face an excruciatingly difficult dilemma – whether to call for their leader, 81-year-old Joe Biden, to drop out of the race.
Guardian US political correspondent Lauren Gambino tells Nour Haydar why the Democrats are torn over who should lead them to the next election and just how critical the coming weeks are for Joe Biden’s campaign
- You can support the Guardian at theguardian.com/fullstorysupport
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00:45 In situ editing of the gut microbiome
Researchers have developed a method to directly edit the genes of specific bacteria in the guts of live mice, something that has previously been difficult to accomplish due to the complexity of this environment. The tool was able to edit over 90% of an E. coli strain colonising mice guts, with other work showing the tool could be used to edit genes in pathogenic bacterial species and strains. It is hoped that with further research this technique could be adapted to work in humans, potentially altering bacteria associated with disease.
Nature News: This gene-editing tool alters bacteria in the gut of living mice
Research Article: Brödel et al.
06:56 Research Highlights
The ants that perform life-saving surgery on their nest-mates, and why amber’s scarcity led ancient artisans to make imitation jewellery.
Research Highlight: Ants amputate their nest-mates’ legs to save lives
Research Highlight: Fake jewellery from the Stone Age looks like the real deal
08:46 How is bone health maintained during breastfeeding?
During breastfeeding bones are stripped of calcium, while levels of oestrogen — which normally helps keep them healthy — drop off precipitously. This puts bones under tremendous stress, but why they don’t break down at this time has proved a mystery. Now, a team has identified a hormone produced in lactating mice that promotes the build up of bones, keeping them strong during milk production. Injecting this hormone into injured mice helped their bones heal faster, and the team hopes that their finding could ultimately help treat bone-weakening conditions like osteoporosis in humans.
Research Article: Babey et al.
17:55 Briefing Chat
This time, new clues about the neurological events that spark migraines, and a quick chemical method to recycle old clothes.
Nature News: What causes migraines? Study of ‘brain blackout’ offers clues
Nature News: Chemical recycling’: 15-minute reaction turns old clothes into useful molecules
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Is it time for Joe to go?
With growing concern about the President’s cognitive ability, the Democrats face an excruciatingly difficult dilemma – whether to call for their leader, 81-year-old Joe Biden, to drop out of the race. Guardian US political correspondent Lauren Gambino tells Nour Haydar why the Democrats are torn over who should lead them to the next election and just how critical the coming weeks are for Joe Biden’s campaign You can support the Guardian at theguardian.com/fullstorysupport
The Guardian’s Pippa Crerar and Kiran Stacey are on two sides of the Atlantic this week. They discuss Keir Starmer’s first foreign trip, and whether the Conservatives can find the soul of their party. Help support our independent journalism at theguardian.com/politicspod
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NPR News: 07-10-2024 11AM EDT
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