専門外の人々に科学全分野の最新知見を平易に解説する事典の７年ぶりの改訂版。数学、物理学、物理学、化学、化学、工学から、保健、医学までをカバー。項目数2,600（新規34、既存項目もアップデート）。This nine-volume set covers all major umbrellas of science, engineering, technology, mathematics and the medical and health sciences, while providing a comprehensive overview of current scientific knowledge and technology. Aligned with national science standards and high school science curricula, topics cover all major areas of science.