NOVA
Sagittarius A*: The Void at the Center of our Galaxy
Show title: NOVA
Video title: Sagittarius A*: The Void at the Center of our Galaxy
Video duration: 1m 54sVideo description: A supermassive black hole sits at the center of the Milky Way galaxy, scientists believe. Would life as we know it exist without this invisible enigma?
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Immunity and Vaccines Explained
2m 11s
/ TV-PG
Vaccines work with our immune system to keep us from getting sick.
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A History of Vaccination
4m 48s
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Vaccination began as a traditional therapy over a thousand years ago.
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U.S. Polio Vaccines: Then and Now
13m 47s
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The polio vaccine's history extends more than fifty years.
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Why Planes Vanish Preview
1m 16s
Can new technology prevent aircraft like Flight MH370 from disappearing without a trace? Airing October 8 at 9 pm on PBS Please be advised The Boeing Company is a funder of the NOVA series. Please note, however, that no funds from Boeing were applied to this specific episode.
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Rise of the Hackers Preview
30s
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A new global geek squad is harnessing cryptography to stay a step ahead of cybercriminals. Airing September 24, 2014 at 9 pm on PBS
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Stabilizing Vaccines with Silk
3m 57s
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New technology may bypass the need to keep vaccines cold by stabilizing them with silk.
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Two Weeks Under the Sea
4m 33s
Aquanauts study the health of marine organisms—by becoming their neighbors.
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Hunting Planets
4m 40s
/ TV-G
NASA’s Kepler mission lets us search for planets orbiting stars outside our solar system.
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Is There Life on Enceladus?
6m 14s
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Scientists discover evidence for the key ingredients for life on Saturn's moon Enceladus.
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Early Earth Bombarded By Comets
5m 10s
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Comets carrying chemicals necessary for life may have come to Earth billions of years ago.
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Fighting HPV in Bhutan
6m 19s
/ TV-PG
Human papillomavirus, or HPV, can cause cervical cancer. Bhutan is the first developing country to welcome the widespread vaccination of girls against HPV, and cervical cancer rates have dropped. Some countries have resisted the vaccine, but in Bhutan even the royal princess is onboard.
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Tiny Tattoo Vaccines
5m 52s
/ TV-PG
The world can be a dangerous place, full of foes large and little. Take deadly infectious diseases. Host David Pogue considers a new kind of vaccine that might save millions of lives, while eliminating the need for refrigeration and scary needles.
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Brushes with Death
2m 27s
Dorothy Roseman describes her close encounters with vaccine-preventable diseases.
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The Pattern in Nature's Networks
3m 25s
Science shows it’s a small world after all—and nature’s networks follow a similar pattern.
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Vaccines—Calling the Shots Preview
30s
Diseases that were largely eradicated in the United States a generation ago—whooping cough, measles, mumps—are returning, in part because nervous parents are skipping their children's shots. NOVA takes viewers around the world to track epidemics, explore the science behind vaccinations, hear from parents wrestling with vaccine-related questions, and shed light on the risks of opting out.
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Vaccines—Calling the Shots Short Preview
20s
/ TV-PG
Diseases that were largely eradicated in the United States a generation ago—whooping cough, measles, mumps—are returning, in part because nervous parents are skipping their children's shots. NOVA takes viewers around the world to track epidemics, explore the science behind vaccinations, hear from parents wrestling with vaccine-related questions, and shed light on the risks of opting out.
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Sculpting a Young Artist
4m 5s
/ TV-G
A city-wide competition shaped the career of the architect behind Florence’s famous dome.
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Autopsying a Roman Catacomb
5m 1s
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Did a lethal plague kill thousands in ancient Rome? Centuries-old DNA may hold the answer.
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