Apparently, this user prefers to keep an air of mystery about them.
11 Historical use of alcohol as a source of clean water Mar 18 '13
7 Did people have better nutrition before agriculture? Apr 24 '13
6 How were dagger axes used in battle? Mar 20 '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