Category:未解決問題
パトムスキー・クレーター
Patomskiy crater
医学上の未解決問題
Unsolved problems in medicine
地球科学上の未解決問題
List of unsolved problems in geoscience
統計学上の未解決問題
List of unsolved problems in statistics
情報理論上の未解決問題
List of unsolved problems in information theory
哲学上の未解決問題
List of philosophical problems
経済学上の未解決問題
List of unsolved problems in economicsTemplate:未解決問題
Template:Unsolved problems
懸賞金問題
Inducement prize contest
天文学上の未解決問題
List of unsolved problems in astronomy未解決問題
Lists of unsolved problems