WORLD  ·   April 16, 2014

What makes boats sink?

- Boats sink when something causes their density level to drop lower than that of the surrounding water. Here are four common ways that happens. ()

- Boats sink when something causes their density level to drop lower than that of the surrounding water. Here are four common ways that happens. ()

What makes boats sink? (1:09)

buildnumber:5d30c1