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...
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Results for "disaster" (41)
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
What causes avalanches, and can you survive them?
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...
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...
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 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’...
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
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...
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...
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...