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U.S. Polio Vaccines: Then and Now
13m 47s
/ TV-PG
The polio vaccine's history extends more than fifty years.
NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.
Video description: It was the strongest cyclone to hit land in recorded history. On November 8, 2013, Typhoon Haiyan slammed into the Philippines, whipping the low-lying and densely-populated islands with 200 mph winds and sending a two-story-high storm surge flooding into homes, schools, and hospitals. It wiped villages off the map and devastated cities, including the hard-hit provincial capital Tacloban.
Science shows it’s a small world after all—and nature’s networks follow a similar pattern.
A crack team rebuilds a glider that POWs hoped to catapult off the top of Colditz Castle. Airing May 14, 2014 at 9 pm on PBS