The force that makes up more than half of the universe
Season 51
About the Episode
Astronomers looked at extremely distant and extremely bright exploding stars and discovered that universe is not just expanding - it’s accelerating in its expansion.
Aired:
| Expires: | Runtime: 1m 40s
Recent Episodes
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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.| 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.| 53:40
Extras
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Why is the Eiffel Tower Shaped Like That?
The Eiffel Tower was a completely novel design at the time it was built.1:58 -
What really led to the collapse of Easter Island?
What happened to the Rapa Nui civilization is shrouded in mystery.2:58 -
How parrots swing like monkeys
Like monkeys, parrots are also able to travel by suspending their body weight.1:36 -
How Ancient Easter Island statues “walked”
These giant stone heads were not dragged on sleds, as once thought.2:17 -
Hunt for the Oldest DNA Preview
Follow the quest to recover DNA millions of years old for the very first time.0:30 -
Ancient whale fossils found in the desert
What is this whale skeleton doing in the Egyptian Sahara Desert?2:10 -
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Building the Eiffel Tower Preview
Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time.0:30
