MIT Technology Review’s most popular stories of 2025

MIT Technology Review highlights its most popular stories of 2025, including articles on AI's energy footprint, the benefits of vitamin D, defining AI, the potential of ethically sourced human bodies for medical research, relationships with AI chatbots, and the future of the electric grid. The birth of a record-breaking baby from a 30-year-old embryo and investigations into unidentified drones are also featured. Additionally, the publication previews its upcoming list of breakthrough technologies for 2026.