Researchers have shown that mucosal immunity can be improved by administering booster vaccines directly into the lungs, offering a potential way to prevent COVID-19 in humans. A study demonstrated near complete protection from COVID-19 in macaques with an inhaled vaccine, emphasizing the importance of developing vaccines that block infection and the increased immune cell activity.

Researchers discover a way to grow a difficult-to-study parasite in vitro, potentially advancing understanding of it. Other intriguing topics include VR goggles for mice, coffee grinding consistency, rise of highly productive authors, and the search for the world's longest protein. Tune in for engaging discussions!

Researchers have created the world's smallest silicon gap to trap light effectively, opening up potential applications for quantum computing. Other topics discussed include the ability of bottlenose dolphins to sense weak electric fields, the environmental cost of poverty reduction, the relationship between economic growth and emissions, the development of flexible robots inspired by octopus tentacles, and the impact of collaboration and remote work on scientific research.

Researchers develop a method to extract absorbent materials for menstrual pads from the plant Agave sisalana, aiming to tackle period poverty. The process is environmentally friendly and locally feasible. The team plans to scale up the production and conduct trials in Kenya to make sanitary products more accessible.

Discussion on the challenges of keeping warming below 1.5°C at COP28. Highlights include falcons' problem-solving skills, California wildfires affecting cloud formation in Europe, and the mystery of powerful cosmic rays.

Researchers are using genetics to revive forgotten apple varieties. Sequencing apple genomes could unlock new flavors and traits, while also improving disease resistance. The podcast explores the challenges of apple cultivation, the dominance of Red Delicious, and the rise of popular cultivars like Gala and Honeycrisp. It also delves into the process of breeding and engineering new apple varieties, including the potential of genetic engineering to accelerate the process.

Polio could be eradicated within 3 years. Challenges after eradication, including containment of the virus and individuals carrying the virus. Conservation challenges of seabirds and monkey smuggling for research. Potential impact of using wild monkeys in scientific research. Exploring mysterious space explosions and signals.

Writer and researcher Jay Owens discusses her book 'Dust: The Modern World in a Trillion Particles' in this episode. The podcast explores the global impacts of microscopic dust particles on health, environment, and the role of humanity in their creation. Topics covered include the definition and sources of dust, historical perceptions of cleanliness, the role of clean rooms in science and manufacturing, the legacy of atomic bomb tests, and reflections on interconnectedness and long-term effects of human actions.

3D printers can now create fully-formed robots using multi-material printing guided by machine vision. The podcast also discusses the neural processes of humor, the effectiveness of behavioral change programs in preventing type 2 diabetes, the disappearance of snow crabs due to warming seas, and the development of a robot chemist for extracting oxygen on Mars.

Researchers modify a toxic antifungal drug, potentially reducing side effects. Fossilized hyena dung yields woolly rhino DNA. A robot performs surgery inside a beating heart. Phosphorus, key for life, found in outer regions of the galaxy. Insights from Osiris Rex capsule re-entry and genetic research on wildcats are highlighted.