Search Query
Show Search
Sign Out
Sign In
TV
All TV Shows
TV Schedule
Watch GBH 2
Watch GBH WORLD
Watch GBH Kids
GBH Passport
Radio & Podcasts
All Radio Shows
All Podcasts
Radio Schedule
Ways to listen
News
Music & Culture
Events
Support GBH
Membership
Corporate Sponsorship
Directed Giving
Planned Giving
Other Ways to Support
Menu
What matters to you.
Show Search
SEARCH
Search Query
Sign Out
Sign In
Donate
TV
All TV Shows
TV Schedule
Watch GBH 2
Watch GBH WORLD
Watch GBH Kids
GBH Passport
Radio & Podcasts
All Radio Shows
All Podcasts
Radio Schedule
Ways to listen
News
Music & Culture
Events
Support GBH
Membership
Corporate Sponsorship
Directed Giving
Planned Giving
Other Ways to Support
Play Live Radio
0:00
0:00
NEXT UP:
All Live Streams
Perfect Holiday Party
Ultimate Holiday Classical Mix
Heavenly Holiday Classics
CRB Classical 99.5
CAI
GBH 89.7
Top
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
Recent Episodes
Episode 17, Season 51<br> Building Stuff: Change It!
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.
NOVA
| 53:40
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.
NOVA
| 53:40
Support for GBH is provided by:
Become a GBH sponsor
Extras
How Deepfakes Manipulate Reality
Deepfakes are getting more convincing and easier to make.
4:22
Legacy of the Land
Native American communities share their culture and knowledge to address climate change.
Harvesting the Future
Ak-chin farming makes desert agriculture possible, and now, those practices help communities today.
9:22
Megadroughts and Indigenous Voices
The Southwest is in a megadrought, but Native Americans have survived them before.
7:51
Standing the Heat
Reintroducing the hogan, an earthen Navajo structure that stays cool in the summers without AC.
8:44
Tides of Tradition
Following a local Unangax̂ hunter, hear the realities of food access in the changing Arctic.
9:47
Keepers of the Coastline
In Northern California, Marine science is guided by Tolowa Dee-ni' Nation’s community and culture.
11:56
Sands of Time
Using photo archives and ancestral knowledge, witness coastal erosion in Bristol Bay, Alaska.
6:47
What Did Dinosaurs in Alaska Eat During Winter?
During the winter months, food for the plant eaters would have withered or died.
2:36
This Rare Earth Metal Repels Sharks
This is kryptonite for sharks. (2012)
1:19
Load More