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