Do the Viking ocean voyage and then a Viking river cruise. (mccooltravel.com)
The find represents the first direct evidence that whole communities of organisms can make long ocean voyages floating on organic rafts. (sciencemag.org)
[57] The advancement of ocean voyages during the Renaissance resulted in prolonged periods without access to fresh fruits and vegetables, and made illnesses from vitamin deficiency common among ships» crews. (en.wikipedia.org)