Back to Show
Watch Preview
NOVA
Why Trains Crash
Season 44
Episode 6
From derailments to head-on collisions to drivers killed at road crossings, deadly train accidents claim dozens of lives each year. But just how unsafe are the railroads? NOVA investigates recent rail tragedies and advances in train tech that could help prevent them, taking a special look at Japan’s superefficient bullet trains, which have a perfect safety record.
Support Provided By
53:25
Surprising evidence at the world’s oldest temple overturns our understanding of human history.
53:39
New evidence sheds light on the remarkable life—and mysterious collapse—of the ancient jungle city.
Unlock with PBS Passport
53:31
What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory.
Unlock with PBS Passport
53:41
See how ingenuity and teamwork keep the crew alive and doing science 250 miles above Earth.
Unlock with PBS Passport
53:40
Astronauts and Mission Control relive terrifying moments during construction of the ISS.
53:28
Find out why deadly flash floods are on the rise and how we can protect ourselves from them.
53:21
Explore mysterious 9,000-year-old Stone Age megastructures found in the Arabian Desert.
Unlock with PBS Passport
53:32
Discover how two revolutionary ancient inventions changed the course of humanity forever.
Unlock with PBS Passport
53:27
Discover how Homo sapiens outlasted Neanderthals – and how they helped make us who we are today.