A University of Tokyo team created calcium carbonate concrete, a new type of material, from waste cement and carbon dioxide captured from industrial waste gases; the process was inspired by the way some aquatic organisms harden into fossils over time

Researchers from major universities, including Tokyo's Waseda, have used prompts in their papers to get positive AI-based reviews, raising concerns about integrity, amid a surge in peer-to-peer review exploitation in academic publishing

Japan ranked 118th out of 148 countries in the World Economic Forum’s 2025 Global Gender Gap Report, the same position as last year - the lowest among G7; political empowerment is the weakest area, while education and health register near gender parity

Japan came 14th among 36 developed countries in new child well-being survey, up from 20th in the previous survey released in 2020; the UNICEF Innocenti report comprehensively evaluates children's mental well-being, physical health and skills