Apparently, this user prefers to keep an air of mystery about them.
9 Historical use of alcohol as a source of clean water mar 18 '13
6 How were dagger axes used in battle? mar 20 '13
5 Did people have better nutrition before agriculture? apr 24 '13
4 What was the main diet of pre-agricultural Asians? mar 18 '13
3 Was there a noble cause to Genghis Khan's campaign? aug 16 '12