MinuteEarth
All Plants Have Color Vision?
Plants can tell when competitors are nearby because they can see them.
Be Smart
The Dark Origins of the Scientific Method
500 years before the Scientific Revolution, the mathematician Al-Hassan Ibn al-Haytham spent hours in a dark room studying the light that filtered in. Not only did he revolutionize how we literally see the world, he pioneered the...
SciShow
5 Animals With Superpowered Senses
From the ability to see “invisible” types of light to the power to taste all over their body, meet five incredible animals whose super senses far surpass our own! Hosted by: Michael Aranda
SciShow
The Scientist Who Made the Internet Possible | Great Minds: Narinder Singh Kapany
Thanks to Qualcomm for sponsoring a portion of this video.
SciShow
Science Superlatives of 2015!
Learn about the strongest, slowest, and fastest science in 2015!
TED-Ed
TED-Ed: The story behind your glasses - Eva Timothy
What scientific thinkers and achievements have led to vast improvements in optics over the centuries? Discover the fascinating ways that our understanding of light informs the world in which we live.
SciShow
3 Brand New Colors That Scientists Discovered
For millennia, we mostly had to make do with natural pigments and dyes, but in the last 300 years or so, chemical synthesis has revolutionized the colors of our world.
SciShow
Choosing a Telescope: Bigger Isn't Always Better!
Before you take your relationship with space to a new level by getting a telescope, find out what you really need to make the most of your summer nights staring at the sky.
SciShow
How Do Polarized Sunglasses Work?
The useful glare-blocking properties of polarized sunglasses are well-known to just about anyone who goes outside. What isn't so well-known is how they reduce glare in the first place. That answer is deceptively complicated!
SciShow
From Optics to Spacewalks: Dr. Ellen Ochoa | Great Minds
Dr. Ellen Ochoa is incredible! She published over a dozen papers, co-filed three patents, and was a NASA engineer, all before becoming an astronaut and spending nearly a thousand hours in space.
Crash Course
Optical Instruments: Crash Course Physics
How do lenses work? How do they form images? Well, in order to understand how optics work, we have to understand the physics of light. In this episode of Crash Course Physics, Shini talks to us about optical instruments and how they make...
Crash Course
Newton and Leibniz: Crash Course History of Science
The standard story of the Scientific Revolution culminates with the long life of one man: Sir Isaac Newton—a humble servant of the Royal Mint, two-time parliamentarian, and a scientific titan whose name, along with Einstein’s, is...
SciShow
Kickstarting a Space Telescope
In the past few years the rise of crowdfunding has allowed for some pretty cool stuff to start existing, and today Hank is excited to announce another awesome Kickstarter - Planetary Resources (of asteroid mining fame) in partnership...
Bizarre Beasts
These Cats Have Human Eyes
New ReviewWelcome to the first episode of a new format for Bizarre Beasts, which we’re calling Season Zero. Over the next year, we will be remastering episodes of Bizarre Beasts that were originally created for vlogbrothers. First up: the manul!...
Weatherthings
Glory
New ReviewWhile flying in an airplane, if you’ve ever noticed a bright colorful ring of color around the shadow of the airplane in the clouds, then you’ve seen a Glory! Glory is the name given to concentric circles of the spectrum of color on...
Curated Video
How the James Webb Space Telescope (JWST) Works
In 2021, we launched a space telescope that's 100 times more powerful than Hubble, called the James Webb Space Telescope. How does the JWST work? What makes it so powerful? And what might it see? A space telescope is basically a digital...
Curated Video
Transformers Fall of Cybertron Walkthrough Part 1 - Chapter 1
Howcast - Check out part 1 and join the war between the Autobots and Decepticons in Activisions' newest release, Transformers: Fall of Cybertron
Curated Video
Refractive Index - Part 1 - The Reappearing Penny
As part of the “Picture Perfect Chemistry” celebration for National Chemistry Week 2024, Dr. Boyd “The Chemist” explains what the refractive index is, and then does a simple experiment to highlight the concept. This is the 1st in a...
Curated Video
Refractive Index - Part 2 - The Disappearing Beaker
As part of the “Picture Perfect Chemistry” celebration for National Chemistry Week 2024, Dr. Boyd “The Chemist” makes a beaker disappear! Follow along for the experiment and an explanation.
0:00 – Introduction
0:16 – What you need
0:26...
Curated Video
Refractive Index - Part 3 - The Reversing Arrow Trick
As part of the “Picture Perfect Chemistry” celebration for National Chemistry Week 2024, Dr. Boyd “The Chemist” explains and demonstrates the effect of the refractive index using a marker, paper, and water in a glass.
0:00 –...
Curated Video
Refractive Index - Part 4 - The Disappearing Penny Trick
As part of the “Picture Perfect Chemistry” celebration for National Chemistry Week 2024, Dr. Boyd “The Chemist” does a simple experiment to highlight the concept of refractive index. This is part 4 in the series
0:00 – Introduction
0:16...
Science ABC
Why Does Your Skin Look Green?
The beard appears as dots of color when it first begins growing back because each hair is still tiny and short. When the stubble has just begun to sprout, the young facial hair emerges as small black or brown dots on fair skin. Seen from...
Curated Video
Focus
In optics, the point at which rays of light converge after refraction or reflection, and so the point at which a sharp image will be produced. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
Curated Video
White light – Big reveal
What is it? ... It's a prism refracting light! Physical processes - Light - White light A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have to guess what the image is.