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The Anatomy of an African Wild Dog Hunt

The Anatomy of an African Wild Dog Hunt

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6:50
Meet Gorongosa National Park’s Head Veterinarian

Meet Gorongosa National Park’s Head Veterinarian

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8:18
Lions Return to Mozambique's Gorongosa National Park

Lions Return to Mozambique's Gorongosa National Park

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6:00
Did This Asteroid Just Turn into a Comet?

Did This Asteroid Just Turn into a Comet?

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4:24
Asteroids Provide Hints About the "Ingredients" in Planets

Asteroids Provide Hints About the "Ingredients" in Planets

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4:30
Inside OSIRIS-REx’s Mission to Tag Asteroid Bennu

Inside OSIRIS-REx’s Mission to Tag Asteroid Bennu

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4:38
Meet the NASA Scientist Who Uses Lasers to Study Forests

Meet the NASA Scientist Who Uses Lasers to Study Forests

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4:05
The Tech Behind Mail-In Voting

The Tech Behind Mail-In Voting

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6:20
What is Solar Geoengineering and Why is it Controversial?

What is Solar Geoengineering and Why is it Controversial?

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4:16
How Much Coal Do People Burn Each Year?

How Much Coal Do People Burn Each Year?

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2:13
The Science of the COVID-19 Treatments Trump Received

The Science of the COVID-19 Treatments Trump Received

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6:37
Repairing Notre Dame's Vaults with Underground Quarries

Repairing Notre Dame's Vaults with Underground Quarries

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2:51
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NOVA

The Printing Press Revolutionized the Spread of Information

The European printing revolution began in Germany in 1448 when goldsmith Johannes Gutenberg began casting letters in metal.