Satellites watch glaciers melting in Patagonia | Space photo of the day for Oct. 22, 2025

Scientists, led by Carolyn Bertozzi, have made a groundbreaking advancement in 'click chemistry' that allows for the observation of molecules within living organisms. This innovative approach not only enhances our understanding of biological processes but also holds potential for significant applications in medicine and biotechnology. By making click chemistry compatible with living cells, researchers can now explore molecular interactions in real-time, paving the way for new discoveries that could transform how we approach health and disease.

Exciting developments in cancer treatment are on the horizon as a new study suggests that 'weaponised' CAR T-cell therapy may finally be effective against solid tumours. Traditionally, CAR T-cells have struggled to target these types of cancers, but research conducted on mice indicates a breakthrough could be imminent. This advancement is significant because it opens up new possibilities for treating patients with solid tumours, which have been notoriously difficult to manage with existing therapies.

Recent studies have shown that Wegovy offers significant heart health benefits, even for individuals who experience minimal weight loss. This is important because it highlights the medication's potential to improve cardiovascular health, which is a major concern for many. The robust trial results provide a strong foundation for understanding how Wegovy can contribute to overall well-being, making it a noteworthy option for those at risk of heart-related issues.

Scientists have developed an innovative robotic 'eye' that mimics animal vision, allowing it to focus automatically without needing a power source. This breakthrough could revolutionize the field of soft robotics, enabling the creation of more adaptable and efficient machines that can operate in various environments. The potential applications are vast, from medical devices to advanced robotics, making this a significant step forward in technology.

Recent videos showcasing what seemed to be multiple 'double fireball' events have sparked curiosity, but experts suggest these phenomena might be the result of a simple quirk in the filming equipment. This clarification is important as it helps us understand the nature of such celestial events and the role technology plays in capturing them.

Iceland, once celebrated as one of the few mosquito-free places on Earth, has reported the presence of a common house mosquito, culex pipiens. This change is significant as it alters the unique ecological status of the island, which has long been a refuge from these pests. The arrival of mosquitoes could have implications for local wildlife and public health, making it a noteworthy development for both residents and visitors.