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2:48
How do sinkholes come to be, and how do researchers study them?
2:58
Gas samples from Mt. Vesuvius can reveal how close magma is to the volcano's surface.
2:23
There's a reason why so few rockets are designed to come back to their launch sites.
2:59
Dwelling beneath Naples, is Campi Flegrei—a volcano capable of a very large eruption.
2:09
The New Horizons spacecraft made history by conducting the farthest ever flyby.
1:38
This discovery could have a big effect on how scientists think about planet formation.
1:54
A resident returns home and witnesses the Camp Fire's destruction firsthand.
1:46
From the start, California’s deadliest fire had the potential for disaster.
1:04
Can women tackle the country's water shortage by learning a new trade?
2:33
U.S.D.A. scientists conduct an experiment to discover why fires move uphill.
2:32
What causes flames to start spinning?
1:34
As the Camp Fire scorches a community in California, residents leave by car and on foot.
