Science & Technology
The human back is a design disaster
Lesson duration 06:40
Everyone who lives long enough is likely to experience back pain. And the cause isn't just...
There was an error processing your request.
Results for "disaster" (42)
Public Health
The danger of science denial - Michael Specter
Lesson duration 16:30
Vaccine-autism claims, "Frankenfood" bans, the herbal cure craze: All point to the public's...
Social Studies
Run, sail, or hide? How to survive the destruction of Pompeii
Lesson duration 05:31
It’s a bustling day in Pompeii. After a quick visit to the market, Fabia spots her brothers,...
Science & Technology
Why avalanches are most deadly when they stop
Lesson duration 05:34
Avalanches are the rapid descent of snow, ice, rock, or a combination of these down a slope. They...
Science & Technology
World's only moving mud puddle
Lesson duration 11:39
A mud puddle started moving across the California desert, and no one knows why. Physics Girl...
Earth and Space Science
Eyes on the stars
Lesson duration 03:17
On January 28, 1986, NASA Challenger mission STS-51-L ended in tragedy when the shuttle exploded...
Earth and Space Science
How tsunamis work
Lesson duration 03:37
The immense swell of a tsunami can grow up to 100 feet, hitting speeds over 500 mph -- a...
Earth and Space Science
The secret to rising sea levels
Lesson duration 01:16
Of the many environmental impacts imposed by climate change, rising sea levels are often...
A new way to invest in clean energy innovation: Breakthrough energy catalyst
Lesson duration 03:01
How do we bring the next generation of climate solutions to market in time to avoid a climate...
Science & Technology
Climate change will displace millions. Here's how we prepare - Colette Pichon Battle
Lesson duration 12:48
Scientists predict climate change will displace more than 180 million people by 2100 -- a crisis...
Science & Technology
How to survive the apocalypse | Ada, Ep. 1
Lesson duration 10:54
This is episode 1 of the animated series, “Ada.” This 5-episode narrative follows the young...
Science & Technology
How scientists turn lakes into giant batteries
Lesson duration 05:16
As of 2020, the world’s biggest lithium-ion battery is hooked up to the Southern California power...
Science & Technology
The material that could change the world... for a third time
Lesson duration 05:27
Today roads, sidewalks, bridges, and skyscrapers are made of a material called concrete (aka...
Science & Technology
How much land does it take to power the world?
Lesson duration 04:48
No matter how we make electricity, it takes up space. Coal requires mines, and plants to convert...
Science & Technology
How much electricity does it take to power the world?
Lesson duration 05:02
All around the world, millions of people are flipping a switch, plugging in, and pressing an ‘on’...
Business & Economics
Why good ideas get trapped in the valley of death— and how to rescue them
Lesson duration 05:10
All new products must pass through the "valley of death" before they reach the market. Many never...
Science & Technology
4 different ways you can power a car
Lesson duration 04:41
Historically, most cars have run on gasoline, but that doesn’t have to be the case in the future:...
Science & Technology
The “myth” of the boiling frog
Lesson duration 04:41
Since 1850, global average temperatures have risen by 1 degree Celsius. That may not sound like a...