| Title | Uploaded |
|---|---|
| The birth without pain | Nov. 19, 2015, 5:17 p.m. |
| human communication | Nov. 19, 2015, 4:58 p.m. |
| The stages of human evolution | Nov. 19, 2015, 4:51 p.m. |
| how to organize your time | Nov. 19, 2015, 4:47 p.m. |
| forgivness | Nov. 19, 2015, 4:37 p.m. |
| enviroment | Nov. 19, 2015, 4:26 p.m. |
| smoking danger | Nov. 17, 2015, 1:59 p.m. |