TED Talks
TED: Can light stop the coronavirus? | David Brenner
Far-UVC light is a type of ultraviolet light that kills microbes and viruses and, crucially, seems to be safe to use around humans. Radiation scientist David Brenner describes how we could use this light to stop the spread of SARS-CoV-2,...
SciShow
So Apparently Platypuses Glow in the Dark
Of all the weird animals that exist in the world, platypuses are up there with the weirdest, and last year scientists discovered something even more peculiar about their fur: it glows! What may be even more strange, though, is how little...
SciShow
SciShow Talk Show: More about Animal Weapons with Doug Emlen & Professor Claw the Emperor Scorpion
Doug Emlen returns to SciShow to talk about the parallels between arms races in animals and arms races in humans. Then Jessi joins the show to show off an animal with it's own set of weapons.
SciShow
Why Shouldn't You Look at the Sun?
You might have done it accidentally or intentionally but one thing is clear: Don't stare at the the sun! Hank Green explains why.
TED Talks
Carson Bruns: Could a tattoo help you stay healthy?
Can we make tattoos both beautiful and functional? Nanotechnologist Carson Bruns shares his work creating high-tech tattoos that react to their environment -- like color-changing ink that can tell you when you're getting a sunburn -- and...
Crash Course
Conjugation & UV-Vis Spectroscopy: Crash Course Organic Chemistry
Carrots get their orange-y color from, you guessed it, an organic chemical. This chemical, called beta carotene, gets its pigment from its conjugated electron system. We’ve talked some already about conjugation, but in this episode of...
TED Talks
TED: A new weapon in the fight against superbugs | David Brenner
Since the widespread use of antibiotics began in the 1940s, we've tried to develop new drugs faster than bacteria can evolve -- but this strategy isn't working. Drug-resistant bacteria known as superbugs killed nearly 700,000 people last...
SciShow
Can You Get a Sunburn Behind a Window?
If you’re not lounging on the beach on a hot summer day, why would you think to put on sunscreen? Well, you might need sunscreen more often than you think.
SciShow
High-Tech Masks: The Future of Face Coverings
Masks do wonders to stop the spread of infection and inhalation of harmful particles, and some new technology can make them both more effective and easier to clean.
SciShow
The Simple Molecule Behind Our Complex Universe
All the complexity in the universe ultimately owes its existence to one of the simplest materials possible: molecular hydrogen. And not only did this molecule play a huge role in building the universe as we know it, today, it also helps...
SciShow
How Do Blacklights Make Things Glow?
Join Hank Green as he explains why blacklights make some things glow!
SciShow
Baby Zebrafish Eyes Work Kind of like Real-Time Photoshop
Some fish have superpowers! Zebrafish eyes can boost the color and contrast of what they see and baby whale fish are electric.
SciShow
Talk Show: Henry Reich, Fluorescence, and a Half-moon Conure
Talk Show: Henry Reich, Fluorescence, and a Half-moon Conure
SciShow
Can Plants Get Sunburned?
Plants need sunlight to live, but they also need to block the sun's more harmful rays. Plants can't put on sunscreen or find shade, so how do they avoid getting a gnarly sunburn?
SciShow
Biofluorescence: A Neon World Hidden in Plain Sight
Lots of life on Earth can fluoresce, creating a beautiful neon world of camouflage, communication, and adaptation that is hidden from the human eye.
SciShow
3 Ways Your Sun Protection Can Backfire
People have a lot of ideas about how they can protect themselves from the sun’s ultraviolet radiation, but many of those ideas just don’t hold up, and some make things worse!
TED Talks
TED: Every day you live, you impact the planet | Jane Goodall
Legendary primatologist Jane Goodall says that humanity's survival depends on conservation of the natural world. In conversation with head of TED Chris Anderson, she tells the story of her formative days working with chimpanzees, how she...
SciShow
Mama, Where Do Galaxies Come From?
For most of human history, we didn't know that galaxies were a thing. So over the past century, astronomers have been working to understand how galaxies come to be and how they evolve over time. And for a full decade, there was one...
SciShow
These Superpowered Animals Use Your 5 Senses, But Better
Many animals use the same five senses as we do, but these creatures take that beyond the next level.
TED-Ed
TED-ED: The science of skin color - Angela Koine Flynn
When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it'll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the slightest change....
SciShow
How Do Fabric Brighteners Work?
Fabric brighteners can liven up your old, faded clothing. But they don’t actually clean your clothes, and they’re often banned in the military!
Bozeman Science
Light
Paul Andersen explains how natural selection is a major mechanism in evolution. The video begins with a discussion of Charles Darwin and the details of natural selection. The data of the peppered moth during the industrial revolution is...
Curated Video
The Ozone Layer
The world has already faced a major global climate challenge: the hole in the ozone layer, discovered in 1985. Find out what ozone is, why it's important, and how the ozone hole is being repaired. Earth Science - Human Impacts - Learning...
Journey to the Microcosmos
Why Do Microbes Explode Under UV Light?
Why Do Microbes Explode Under UV Light?