We have seen many timelapses featuring aging, but his one in my opinion takes the cake. Filmmaker Anthony Cerniello did a mind-blowing work with this latest clip titled Danielle.
Not so long ago it was believed that humans are the only specie to successfully transmit the knowledge and acquired skills from one generation to another.
If you want to make a clean install of the new OS X Mavericks or even the older versions of Mac OS X, than I strongly suggest you to create a bootable OS X key or a drive.