SciShow
Interview with EPA Administrator McCarthy
Hank interviews Administrator Gina McCarthy of the United States Environmental Protection Agency. They discuss getting people to care about climate change, the EPA's goals going into the United Nations Climate Change Conference, and the...
SciShow
Reinventing the Wheel: 5 Species That Roll
If wheels and rolling have proven so efficient for humans, why hasn’t evolution pushed at least some other species in that direction? Well actually, there are a few species that can get around by rolling. Chapters View all GOLDEN WHEEL...
TED-Ed
TED-Ed: What on Earth is spin? - Brian Jones
Why does the Earth spin? Does a basketball falling from a spinning merry-go-round fall in a curve, as it appears to, or in a straight line? How can speed be manipulated while spinning? In short, why is the spinning motion so special?...
MinuteEarth
Why Does Earth Have Deserts?
Why Does Earth Have Deserts? For the same reason it has Rainforests: Hadley Cells!!!
SciShow
Do We Need a Negative Leap Second?
Did you know that last year we had 28 of the fastest days ever recorded? Earth's rotation can be affected by a number of things, and scientists think we might someday need an unprecedented adjustment: deleting a second!
SciShow
5 Creepy Weather Phenomena That Shouldn't Be Allowed
Weather isn’t all sunshine and rainbows—sometimes it’s rain, and sometimes that rain looks like blood. Chapters 1 BLOOD RAIN 1:39 BLACK RAIN 2:52 BLACK BLIZZARDS 4:36 4 VOLCANIC TORNADOES 7:47 HEAT BURSTS 9:10
TED Talks
T. Boone Pickens: Let's transform energy -- with natural gas
The US consumes 25% of the world's oil -- but as energy tycoon T. Boone Pickens points out onstage, the country has no energy policy to prepare for the inevitable. Is alternative energy our bridge to an oil-free future? After losing $150...
TED-Ed
TED-Ed: How do ocean currents work? - Jennifer Verduin
Dive into the science of ocean currents (including the Global Conveyor Belt current), and find out how climate change affects them. -- In 1992, a cargo ship carrying bath toys got caught in a storm. Shipping containers washed overboard,...
SciShow
Why Does the Wind Howl So Creepily?
You’re in the woods, there’s a full moon, and the wind begins to howl. We can’t take you out of this horror movie scenario, but we can explain why the wind sounds so spooky.
Crash Course Kids
Weather Channels
Why is my weather app sometimes wrong? Well it has a lot to do with wind. Jet Streams, air cells, the shape and movement of the Earth... there are a lot of things that make weather a little unpredictable. In this episode of Crash Course...
TED-Ed
TED-Ed: The cockroach beatbox - Greg Gage
By dissecting a cockroach ... yes, live on stage ... TED Fellow and neuroscientist Greg Gage shows how brains receive and deliver electric impulses -- and how legs can respond. (Launching a series on Awesome Nature) "The Cockroach...
MinutePhysics
How To Stop Structures from SHAKING: LEGO Saturn V Tuned Mass Damper
This video is about Tuned Mass Dampers, which can be used to reduce or avoid unwanted vibrations, swaying, swinging, bending, etc on engineered structures ranging from buildings, skyscrapers, electricity power transmission lines,...
SciShow Kids
Why Can It Be Hard to Breathe After a Fall? Biology for Kids
Have you ever fallen down and had trouble catching your breath? That's called "getting winded" and Jessi and Squeaks are here to explain what to do when it happens.
TED Talks
Norman Foster: My green agenda for architecture
Architect Norman Foster discusses his own work to show how computers can help architects design buildings that are green, beautiful and "basically pollution-free." From the 2007 DLD Conference, Munich; www.dld-conference.com
MinuteEarth
The Hurricane Category Scale Is Broken
The current hurricane category scale doesn’t accurately convey the danger of a storm, because it doesn’t account for a hurricane's most destructive factors.
SciShow
Why Don't All Birds Fly in V Shapes?
Some birds fly in V shapes because it has many benefits, but other birds fly in clumps instead. Why would they do that?
Crash Course Kids
Defining a Problem
So, how do engineers even figure out what problem needs to get fixed? And what's the difference between identifying a problem and just complaining about something. In this episode of Crash Course Kids, Sabrina talks about how we can all...
TED-Ed
Why good ideas get trapped in the valley of death -- and how to rescue them | TED-Ed
All new products must pass through the "valley of death" before they reach the market. Many never make it out, and sometimes that's OK -- if they don't work, don't fill a need or for any number of reasons. One of the fields where this...
SciShow
Why Ferns Have More Chromosomes Than You
Chromosomes are fascinating little things, and today, Hank explains why more of them doesn't mean more complex, and why different organisms have different numbers of chromosomes. The short answer: mistakes happen.
TED-Ed
TED-Ed: Tomás Chor: Turbulence: one of the great unsolved mysteries of physics
You're on an airplane when you feel a sudden jolt. Outside your window nothing seems to be happening, yet the plane continues to rattle you and your fellow passengers as it passes through turbulent air in the atmosphere. What exactly is...
Bozeman Science
Energy Consumption
In this video Paul Andersen explains how humans have consumed energy through history and may consume energy in the future. Sources of energy have included food, animals, wood, wind, coal, oil, and natural gas. However non-renewable...
TED-Ed
TED-Ed: Will there ever be a mile-high skyscraper? - Stefan Al
Would a mile-high skyscraper ever be possible? Explore the physics behind some of the tallest buildings and megastructures in the world. -- In 1956, architect Frank Lloyd Wright proposed a mile-high skyscraper, a building five times as...
SciShow
Rogue Waves
For a long time, rogue waves (defined as waves that are greater than twice the height of surrounding waves) were thought to be a myth, like mermaids or the kraken, but recent developments in satellite imagery and oceanic instruments now...
TED Talks
TED: If I should have a daughter ... | Sarah Kay
If I should have a daughter, instead of Mom, she's gonna call me Point B ... began spoken word poet Sarah Kay, in a talk that inspired two standing ovations at TED2011. She tells the story of her metamorphosis -- from a wide-eyed...