Links

Articles:
[|http://en.wikipedia.org/wiki/Leonardo_Da_Vinci#Leonardo_as_observer.2C_scientist_and_inventor]

Useful sites:
[] __ [] __ [] [] [] []

[] [] []
 * Tools**
 * Humane aspects in education**

[] [] [|http://www.infed.org/biblio/b-curric.htm#informal] []

[] [] [] [] [] []
 * out-of-class teaching**

Tools
media type="custom" key="11695502" [] [] [] [] media type="youtube" key="Hzgzim5m7oU" height="219" width="392" media type="custom" key="22087576"