Michael Clarke, a defence and security analyst, discusses the potential security risks associated with China's proposed mega-embassy in London, raising concerns about monitoring and sovereignty. Mark Maslin, a climate scientist, examines the UK's ambitious offshore wind expansion and its significance in achieving energy independence. Yvonne Wren, a speech and language therapy expert, highlights the link between toddler screen time and delayed speech development, stressing the importance of interactive engagement. Richard Hollingham reports on NASA's first medical evacuation from the ISS, exploring implications for future deep-space missions.