Back to Show
Watch Preview
NOVA
Why Ships Sink
Season 39
Episode 11
Twenty million passengers embark on cruises each year, vacationing in deluxe "floating cities" that offer everything from swimming pools to shopping malls to ice skating rinks. And the ships just keep getting bigger: The average cruise ship has doubled in size in just the last ten years. Some engineers fear that these towering behemoths are dangerously unstable.
Support Provided By
53:30
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate
53:17
Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.
Unlock with PBS Passport
53:28
Take a tasty look at insect foods that could benefit our health and our warming planet.
Unlock with PBS Passport
53:28
Join the hunt for the universe’s most common—yet most elusive and baffling—particle.
53:36
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
53:46
NASA launches its most ambitious search yet for traces of ancient life on Mars.
53:32
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:30
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:31
Discover the fascinating chemistry that makes our world and everything in it—including us.