Manhattan Schist
About the Episode
All over the city you can see outcrops of bedrock. It’s called Manhattan schist, and it’s a clue to how the city—and the whole East Coast—was made.
Aired:
10/20/15
| Expires: | Runtime: 1m 13s
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Extras
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New map of the universe hints that dark energy may be evolving
Dark energy fundamentally shapes our universe and what astronomers know about it might be wrong.3:00 -
Are winters getting less snowy?
It’s not just your imagination, winters across the U.S. are changing.4:49 -
How America watched the solar eclipse
Millions witnessed the Moon cover the Sun on April 8, some viewers sent us their videos.2:13 -
The Sun is way more chaotic than you think
Every now and then the sun hurls a piece of itself into the solar system.3:59 -
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How to watch the eclipse without burning your eyes
A total solar eclipse is coming. If you want to check it out, you need eye protection.1:59 -
When Camels Roamed the Arctic
The oldest DNA ever recovered revealed an ecosystem unlike anything that exists today.2:54 -
Rare stellar explosion will ignite a "new star"
Sometime between now and September a star will explode.1:17 -
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Great American Eclipse Preview
Explore the spectacular cosmic phenomenon of a total solar eclipse.0:30
