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Five real advances in science, medicine, technology, and the environment, each verified against the original reporting. In this episode: Injectable silk-kudzu hydrogel achieved complete wound closure in laboratory tests within 72 hours; Rodent eradication on Lord Howe Island has resulted in a surge in invertebrate populations, particularly; A study of 134 elections in 16 countries (1990-2021) found that stronger unemployment welfare systems are; Mountain lion visits to a small California preserve (45 miles south of San Francisco) between 2015 and 2020; A laser-based 3D imaging system developed by Prof. Zhang Zhirong's team enables precise detection.
Five Things Going Right is a daily five-minute podcast covering real, verifiable progress in science, medicine, technology, and the environment. Every weekday, hosts Grace and Josh walk through five stories that actually happened, each checked against the original reporting from sources like the WHO, the IEA, Nature, and university research. A calm, fact-grounded start to your day. New episodes every weekday morning.
Welcome, this is 5 Things Going Right, the news that's actually good. 5 stories, 5 minutes, all of them true. Hi everyone, I'm Grace. And I'm Josh. Let's get into today's stories. First up, researchers at the Terasaki Institute for Biomedical Innovation have developed something pretty interesting, a new injectable hydrogel. Right. It's made from silk proteins and a plant-derived compound from kudzu. In lab tests, this hydrogel promoted complete wound closure within just 72 hours. That's impressive, but it's important to note that these results are from in vitro studies on human skin cells. They still need to prove its clinical efficacy and safety in living organisms. Exactly. So while it's a promising step for minimally invasive soft tissue repair, there's more work to be done. Moving on to Lord Howe Island, there's been a fascinating ecological recovery happening there. Yeah. A study from the University of Sydney shows that removing invasive rodents has led to a significant rebound in invertebrate life. The biggest gains were seen in larger invertebrate species that were previously vulnerable to rodent predation. It's a great example of how targeted conservation efforts can really pay off. Now let's talk about a study on unemployment welfare and populist support. Researchers Chase Foster from King's College London and Jeffrey Frieden from Columbia University analyzed 134 national elections in 16 countries from 1990 to 2021. They found that stronger unemployment welfare systems are linked to lower support for populist parties. But it's not a simple cause and effect situation. Populist movements have still risen in countries with strong social safety nets, like Denmark and Germany. So, welfare design alone isn't enough to prevent populism, according to their findings published in European Union Politics. Over in California, a Stanford University study has been looking at ecological changes in a small preserve south of San Francisco. Mountain lions started visiting the area between 2015 and 2020, and that led to some interesting shifts. Deer activity dropped, plants recovered, and there were changes among other predators like coyotes, bobcats, and foxes. It shows that trophic cascades, where a top predator reshapes a whole food web, can happen even in small suburban preserves. Finally, let's talk about a new development in methane leak detection. A team led by Professor Zhang Zhirong at the Hefei Institutes of Physical Science has developed a laser-based 3D imaging system for methane gas clouds. This system can visualize small leaks, accurately locate leakage sources, and measure emission rates from pipelines. However, the report doesn't specify the deployment scale, real-world validation results, or how it stacks up against existing systems. So, while it's a promising technology, there's still a lot to learn about its practical application. That's all for today's stories. Thanks for joining us. We'll catch you next time. That's it for today. That was 5 Things Going Right. Come back tomorrow for five more.