Are Electric Cars Really More Environmentally Friendly? [Science Video]

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? Find out in this episode of SciShow! [SciShow]

Exactly How Fast are AT-AT Walkers? [Video]

Wookiepedia says AT-AT walkers go at a top speed of 60 km/h (about 37.28 mph), but when you look at them in episode 5, they don’t seem to go that fast. So what’s the true speed of those walkers? watch this video from EC Henry to find out! [EC Henry]

World’s Largest Elephant Toothpaste Experiment [Video]

Watch as Youtuber Mark Rober does the elephant toothpaste (aka slime foam) experiment on a very, very large scale. [Mark Rober]

The mysterious origins of life on Earth [Science Video]

Billions of years ago, simple organic compounds assembled into more complex coalitions that could grow and reproduce. At the time, Earth had widespread volcanic activity and a hostile atmosphere that made it almost devoid of a suitable environment for living things. So where did life begin? Luka Wright searches for the cradle of life that […]

You Might Not Want to Mix These 5 Things With Birth Control [Science Video]

Many forms of birth control are hormone-based–but not everything mixes well with those hormones. This week on Reactions, learn about some common products that could make your birth control less effective or cause dangerous side effects. If you have any concerns, be sure to consult your doctor. [Reactions]

Let’s Code: A Computer Science Rap [Video]

From Mike: Here’s the first song in my Computer Science Rap series! I thought it would be a good idea to lay down some ground work before we get into coding. We get into questions like, what is code? Why do we write code? Who gets to write code? So let’s dive in and critically […]

Earth’s Rotation Visualized in a Timelapse of the Milky Way Galaxy

We’ve seen plenty of time-lapse videos of stars moving across the sky. Aryeh Nirenberg took a different route and stabilized the stars, therefore showing how the earth moves relative to the sky. Images were recorded at 12-second intervals over a period of three hours. [via Boing Boing]

How Some Blind People See With Echolocation [Video]

From Joe Hanson: I met Molly Burke a few months ago. She’s awesome. I absolutely love what she’s done on YouTube to bring awareness to living with disability, and turning it into ability. And her guide dog Gallop is awesome too! When Molly and I first met, we started talking about how she navigates the […]