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The History of Crypto Goes Further Back Than You Think
Season 49 Episode 18
NOVA
About the Episode
The invention of cryptocurrency revolutionized much of tech, from surveillance to e-commerce.
Aired: | Expires: | Runtime: 10m 02s
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Episode 17, Season 51<br> Building Stuff: Change It!
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.
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Episode 16, Season 51<br> Building Stuff: Reach It!
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.
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Extras
Sea Change: Survival in the Gulf of Maine
Meet the people leading new efforts to shape the future of the Gulf of Maine and our oceans.
53:30
Sea Change: Peril in the Gulf of Maine
Explore Cashes Ledge - part of the Gulf of Maine that helps power the Gulf’s more than 3,000 species
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Sea Change: Bounty in the Gulf of Maine
Discover the lasting impact of how international trade forever changed the Gulf of Maine’s bounty.
53:30
How A.I. is fighting wildfires
Firefighters are using AI to find wildfires before they explode.
1:34
These cheeses are at risk of going extinct
The culprit is a lack of microbial biodiversity in the mold used to make iconic French cheeses.
1:11
First ape ever seen using medicinal plant to treat wound
After this orangutan sustained a gnarly facial wound, he did something kind of human-like.
1:58
Total Eclipse in the Heart of Texas Hill Country
People from all over the country converge on a small Texas town to see a total solar eclipse.
6:41
How to make your data more private online
You do have some control in how much data you share online.
4:02
Decoding the Universe: Cosmos Preview
Explore big discoveries that have revolutionized our understanding of the universe.
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Is your phone listening to you?
It doesn’t have to – advertisers may already have all the information they want to know about you.
4:25
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