Why is the Eiffel Tower Shaped Like That?
Season 51
Episode 3
About the Episode
At the time of its construction, the Eiffel Tower was the tallest structure ever built. That meant that the engineers had a key challenge: making sure the structure could survive the wind.
Aired:
| Expires: | Runtime: 1m 58s
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Extras
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Scientists Attempt To Free Entangled Right Whale
Entanglement responders work to free a critically endangered whale from rope.3:30 -
How an Underwater Volcano Produced a 60-Foot Tsunami
The most explosive event ever recorded on Earth—and the massive tsunami that followed.2:35 -
Could Whale Poop Help Cool the Planet?
Marine biologists unravel how whales and their poop trap carbon and feed the ocean.2:43 -
Scientists Make Rare Discovery in Active Volcano
Volcanologists visit Tofua to study the volcano’s activity.2:58 -
Witnesses Recount Surviving a Volcanic Explosion
Hear witnesses share how they survived the most explosive event ever recorded on Earth.2:57 -
Your Brain: Who's in Control? Preview
Dive into the subconscious to see what’s really driving the decisions you make.0:29 -
Your Brain: Perception Deception Preview
Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.0:29 -
Meet Snow Cone the Right Whale and Her Calf
Since 2010, the average time between North Atlantic right whale births has increased.4:32 -
Why Induction Stoves Are Better for You and the Environment
Induction stovetops are an energy-efficient alternative to traditional gas stoves.2:56 -
Hidden Volcano Abyss Preview
Investigate one of the most powerful volcanic eruptions in recorded history.0:30
