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Clip: Season 46 Episode 18 | 3m 15s
In a single-point bridge failure, one component breaks and brings down an entire structure. See how this happened 52 years ago to West Virginia’s Silver Bridge.
Aired: 10/16/19
National corporate funding for NOVA is provided by Draper. Major funding for NOVA is provided by the David H. Koch Fund for Science, the Corporation for Public Broadcasting and PBS viewers.
Survivors Recount Bridge Collapse in Genoa, Italy
Hear from two survivors of a tragic bridge collapse.
Camera technology is revolutionizing the study of animals—without them even noticing.
Is violence actually declining? If so, why? And can we build a more peaceful future?
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.
New technologies unravel the Dead Sea Scrolls’ mysteries and uncover million-dollar fakes.
As self-driving cars take to the streets, investigate how they work, and if they are safe.
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
Beyond icy worlds of Uranus and Neptune, Pluto dazzles with its mysterious ocean.
NASA's Cassini reveals the mysteries of Saturn's rings—and new hope for life on a moon.
Jupiter's massive gravitational force has made it a wrecking ball and a protector of Earth
The rocky planets have similar origins, but only 1 supports life. Was it always this way?
