answering to your questions, here, for simple and easy reading find:
National Geographic on 17.02.2010 - Primitive Humans Conquered Sea, Surprising Finds Suggest
(my note: Excavations in South Crete in 2008–2009 led by Thomas F. Strasser (Providence College)
and if you want to read the work of Thomas F. Strasser, download it on References - the nr. 2 . on
wiki page here:
You can not solve a problem with the same kind of thinking that you used to create it.