TED Talks
Geoff Mulgan: Post-crash, investing in a better world
As we reboot the world's economy, Geoff Mulgan poses a question: Instead of sending bailout money to doomed old industries, why not use stimulus funds to bootstrap some new, socially responsible companies -- and make the world a little...
TED Talks
TED: How a driverless car sees the road | Chris Urmson
Statistically, the least reliable part of the car is ... the driver. In 2015, Chris Urmson was head of Google's driverless car program, one of several efforts to remove humans from the driver's seat. He shares fascinating footage that...
TED Talks
Doris Kim Sung: Metal that breathes
Modern buildings with floor-to-ceiling windows give spectacular views, but they require a lot of energy to cool. Doris Kim Sung works with thermo-bimetals, smart materials that act more like human skin, dynamically and responsively, and...
TED Talks
TED: How yarn bombing grew into a worldwide movement | Magda Sayeg
Textile artist Magda Sayeg transforms urban landscapes into her own playground by decorating everyday objects with colorful knit and crochet works. These warm, fuzzy "yarn bombs" started small, with stop sign poles and fire hydrants in...
SciShow
What We Learned by Putting Cars on the Moon
To expand their range on visits to the moon, astronauts needed a way to travel faster, go farther, and carry more than walking provided. Thankfully, they had the Lunar Roving Vehicle.
SciShow
Lead: The Original Artificial Sweetener
Lead is really useful when you add it to things like paint and gasoline. Problem is, it's also poisonous.
TED Talks
TED: The carbonless fuel that could change how we ship goods | Maria Gallucci
Every day, tens of thousands of cargo ships, filled to the brim with goods, release heavy pollution into the air as they make their way across the ocean. In this eye-opening talk, reporter Maria Gallucci introduces a planet-friendly...
Crash Course
The Milky Way
Today we’re talking about our galactic neighborhood: The Milky Way. It’s a disk galaxy, a collection of dust, gas, and hundreds of billions of stars, with the Sun located about halfway out from the center. The disk has grand spiral...
Crash Course
Why Moving People is Complicated: Crash Course Engineering #41
Transportation is a big part of our world and engineers play a big role in making it happen. Today we’ll explore how transportation systems are designed and some things transportation engineers have to take into consideration, like...
SciShow
What are Scars?
Almost everyone has a scar that tells a story, but have you ever wondered why exactly scars form in the first place?
SciShow Kids
Why Do Floods Happen?
It's been raining for a few days where Jessi and Squeaks live, and the news even said that there may be a flood! Join Jessi to find out what a flood is, how they form, and how you can stay safe if there's a flood where you live!
SciShow Kids
Solve Problems Be an Engineer!
Learn about engineers, who dream up a lot of the things you use every day, from toys to tools!
Crash Course
Ford, Cars, and a New Revolution: Crash Course History of Science
Historians love to debate each other. So some of them pointed out that the first half of this revolution looks a lot different from the second. Let's chat about industry, cars, and Henry Ford.
SciShow Kids
Why Roller Coasters Are Awesome!
Jessi and Squeaks are at the fair, and Jessi is excited to go on the roller coaster! But before they get on, Squeaks wants to know how roller coasters work.
TED-Ed
TED-Ed: The surprisingly long history of electric cars | Daniel Sperling and Gil Tal
By the end of the 19th century, nearly 40% of American cars were electric. But these vehicles had a few major problems — early car batteries were expensive and inefficient, and the vehicles were twice the price of a gas-powered car. And...
SciShow
Are Electric Cars Really More Environmentally Friendly?
Some people say that buying an electric car is a great way to fight climate change - but if they use electricity that is made by burning fossil fuels, are they really more environmentally friendly than gas powered cars?
SciShow
Is There a Safe Way to Use Your Phone and Drive
Using your phone while you're driving isn't a great idea, but people still do it all the time anyway! So why do our brains tell us it's ok to take our attention off the road? Are other distractions, like eating or talking to passengers,...
SciShow Kids
What Makes Bridges So Strong?
A SciShow Kids viewer wrote us to ask how bridges are strong enough to carry cars and trucks! Jessi and Squeaks can explain -- with blocks!
SciShow Kids
Real-Life Robots
Meet some real-life robots, and find out what robots really are, and what they do for us every day!
Crash Course
Economic Systems and Macroeconomics: Crash Course Economics
In which Jacob Clifford and Adriene Hill teach you about Economic Systems and Macroeconomics. So, economics is basically about choices. We'll look at some of the broadest economic choices when we talk about the difference between planned...
TED-Ed
What's in the air you breathe? | Amy Hrdina and Jesse Kroll
Take a deep breath. In a single intake of air, your lungs swell with roughly 25 sextillion molecules, ranging from days-old compounds, to those formed billions of years in the past. In fact, many of the molecules you're breathing were...
Bozeman Science
The Rate-Limiting Step
In this video Paul Andersen explains why the slowest elementary step in a chemical reaction is the rate-limiting step. This step can be used to determine the overall rate law of the chemical reaction.