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SciShow
The Thinnest Lens in the World is One Molecule Thick
Lenses are famous for their ability to bend light rays — to make smaller things look bigger, big things look smaller...even create a super bright beam of light that warns ships where the shore is. And some lenses, such as fresnel...
SciShow
Exercise Actually Makes Chronic Fatigue Syndrome Worse
ME/CFS, or myalgic encephalomyelitis/chronic fatigue syndrome, is way more than being tired at the end of the day. And, contrary to situations like that, exercise is the last thing you'd want to do.
Thanks to Jaime...
Thanks to Jaime...
MinuteEarth
Who’s Eating All The Spiders?
The average human, in theory, eats 3 spiders a year. If you're not eating them and I'm not eating them, who is?
MinuteEarth
Why Monkeys Can Only Count To Four
There’s an island in the Caribbean where David used to perform magic tricks for monkeys. And it was super cool because it suggested that they have the ability to count! (but only up to four)
MinutePhysics
What if the Earth Were Hollow
What if there were a tunnel through the middle of the earth and you jumped in?
MinutePhysics
Misconceptions Footnote †: Randomness and Feedback
Footnote to the main video hereref='https://youtu.be/HUti6vGctQM' target='_blank' rel='nofollowcorrelationseedback loops anCaseurious correlations! REFERENCexcessurious
MinutePhysics
What are Years... and the Galactic Supermassive Black Hole!
It's leap year time... so what are years, anyway? And what do they have to do with the supermassive black hole in the core of the milky way?
TED Talks
TED: How to turn the tables on food waste | Dana Gunders
We waste a staggering one trillion dollars worth of food each year, significantly contributing to greenhouse gas emissions and the climate crisis. Food waste expert Dana Gunders shares innovative solutions to reduce waste — from...
SciShow
Why Volcanologists Hate the Dark
You might have heard of the ongoing volcanic eruptions near Grindavík, Iceland. You might not have heard that it's hard to monitor a volcano in the dark. We'll talk about why an Icelandic winter is the worst time for monitoring equipment...
SciShow
Why City Birds Love Cigarettes
Urban birds like house finches and house sparrows are great at finding materials to repel pests and parasites from their nests. Unfortunately, one of those materials is used cigarette butts.
SciShow
Chernobyl's Radioactive Wild Boar Paradox
After the Chernobyl Disaster, researchers have been studying the movement of radioactive contamination all over central Europe. Fortunately, that radioactive contamination is decreasing in just about every living thing, except for one...
SciShow
This Light is a Different Kind of Invisible
Dark matter's most famous trait is its inability to interact with light, the particle version of which we call "photons". But in their attempts to figure out exactly what dark matter is, some scientists have proposed "dark photons".
SciShow
The Biggest and Brightest Space News of 2023
It's that time of year where we reflect on the events of 2023 - and if you're like us, you're thinking about all the coolest space-y finds of the year. So here's the brightest, faintest, and most magnetic stuff we saw in space this year!
SciShow
The Ocean's Most Important Crystal
When we think of the ocean and what's in it, you probably think of stuff like fish, or salt, or seaweed. But there's a crystal that is so vital to marine life that they take dissolved materials in that salty water and build it...
SciShow
Great Minds: Conny Aerts, the Starquake Professor
While doing some light reading of data from a telescope, Conny Aerts made a breakthrough that allowed her to lead the charge in the field of asteroseismology and win her the 2022 Kavli Prize in Astrophysics.
SciShow
Did Earth's Continents Come from Space?
Earth didn't always have the land beneath your feet, but what might have caused it to form is a bit of a mystery.
SciShow
The Ocean’s Turning Green (That’s Bad)
Computer models of climate change have long predicted that the ocean would turn green as a result of warming. But the change can't be seen by the human eye, so scientists weren't sure how they'd measure this effect... until it turned...
PBS
Secrets of the Cosmic Microwave Background
Hook up an old antenna to your TV and scan between channels. The static buzz you hear is mostly due to the ambient radio produced by our noisy pre-galactic civilization. But around one percent of that buzz is something very different –...
PBS
How Humans Lost Their Fur
We’re the only primate without a coat of thick fur. It turns out that this small change in our appearance has had huge consequences for our ability to regulate our body temperature, and ultimately, it helped shape the evolution of our...
Be Smart
The Essentials of Energy
The world of energy is a confusing place. What's better, nuclear or solar? What's the difference between fluorescent bulbs and LEDs? What's the difference between energy and power? And what the heck is a kilowatt-hour?!